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  MEAN WELL IRM-02 series: SMD Encapsulated AC/DC Power Module - IRM-02-12S

  MEAN WELL IRM-02-12S is a SMD surface-mount encapsulated AC/DC power module rated at 12 V, 167 mA and 2 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-02 Datasheet (PDF) The IRM-02 section is on PDF pages 5, 6, 7, 8. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-02-12S. Installation style SMD surface mount. The S suffix identifies the SMD configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 12 V. Rated current 167 mA (0.167 A). Current range 0–167 mA. Rated output power 2 W, as printed for this exact model. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 74%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 45 mA at 115 VAC; 30 mA at 230 VAC; 25 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 12.6–16.2 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 16 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. SMD pin assignments Pin 1: AC/L; Pin 24: AC/N; Pin 13: −Vo; Pin 12: +Vo; Other terminals: NC. View and footprint orientation The module pin-number drawing is a bottom view; the recommended PCB landing pattern is a top view. Preserve these separate orientations when laying out the PCB. Lead and land dimensions Lead pitch 2.54 mm; land dimensions 1.5 × 2.54 mm; paired adjacent leads are marked 1.0 mm apart. Across-lead width 27.3 mm; lead width 0.45 mm, thickness 0.3 mm and foot length 1.5 mm. Recommended PCB layout references The top-view landing pattern marks 28.5 mm and 26.47 mm across its two pad rows, a 2.03 mm edge reference and 2.54 mm lead pitch. Use the complete numbered drawing for the populated and unpopulated positions. Hot-air reflow limits Peak 240°C for 10 seconds maximum; total time above 220°C no more than 60 seconds. The published reflow profile applies only to hot-air reflow soldering. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-02-SPEC, 2025-11-21; combined PDF pages 5–8. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-02 series: SMD Encapsulated AC/DC Power Module - IRM-02-9S

  MEAN WELL IRM-02-9S is a SMD surface-mount encapsulated AC/DC power module rated at 9 V, 222 mA and 2 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-02 Datasheet (PDF) The IRM-02 section is on PDF pages 5, 6, 7, 8. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-02-9S. Installation style SMD surface mount. The S suffix identifies the SMD configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 9 V. Rated current 222 mA (0.222 A). Current range 0–222 mA. Rated output power 2 W, as printed for this exact model. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 72%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 45 mA at 115 VAC; 30 mA at 230 VAC; 25 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 10.3–12.2 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 16 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. SMD pin assignments Pin 1: AC/L; Pin 24: AC/N; Pin 13: −Vo; Pin 12: +Vo; Other terminals: NC. View and footprint orientation The module pin-number drawing is a bottom view; the recommended PCB landing pattern is a top view. Preserve these separate orientations when laying out the PCB. Lead and land dimensions Lead pitch 2.54 mm; land dimensions 1.5 × 2.54 mm; paired adjacent leads are marked 1.0 mm apart. Across-lead width 27.3 mm; lead width 0.45 mm, thickness 0.3 mm and foot length 1.5 mm. Recommended PCB layout references The top-view landing pattern marks 28.5 mm and 26.47 mm across its two pad rows, a 2.03 mm edge reference and 2.54 mm lead pitch. Use the complete numbered drawing for the populated and unpopulated positions. Hot-air reflow limits Peak 240°C for 10 seconds maximum; total time above 220°C no more than 60 seconds. The published reflow profile applies only to hot-air reflow soldering. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-02-SPEC, 2025-11-21; combined PDF pages 5–8. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-02 series: SMD Encapsulated AC/DC Power Module - IRM-02-5S

  MEAN WELL IRM-02-5S is a SMD surface-mount encapsulated AC/DC power module rated at 5 V, 400 mA and 2 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-02 Datasheet (PDF) The IRM-02 section is on PDF pages 5, 6, 7, 8. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-02-5S. Installation style SMD surface mount. The S suffix identifies the SMD configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 5 V. Rated current 400 mA (0.4 A). Current range 0–400 mA. Rated output power 2 W, as printed for this exact model. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 70%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 45 mA at 115 VAC; 30 mA at 230 VAC; 25 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 5.2–6.8 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 16 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. SMD pin assignments Pin 1: AC/L; Pin 24: AC/N; Pin 13: −Vo; Pin 12: +Vo; Other terminals: NC. View and footprint orientation The module pin-number drawing is a bottom view; the recommended PCB landing pattern is a top view. Preserve these separate orientations when laying out the PCB. Lead and land dimensions Lead pitch 2.54 mm; land dimensions 1.5 × 2.54 mm; paired adjacent leads are marked 1.0 mm apart. Across-lead width 27.3 mm; lead width 0.45 mm, thickness 0.3 mm and foot length 1.5 mm. Recommended PCB layout references The top-view landing pattern marks 28.5 mm and 26.47 mm across its two pad rows, a 2.03 mm edge reference and 2.54 mm lead pitch. Use the complete numbered drawing for the populated and unpopulated positions. Hot-air reflow limits Peak 240°C for 10 seconds maximum; total time above 220°C no more than 60 seconds. The published reflow profile applies only to hot-air reflow soldering. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-02-SPEC, 2025-11-21; combined PDF pages 5–8. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-02 series: SMD Encapsulated AC/DC Power Module - IRM-02-3.3S

  MEAN WELL IRM-02-3.3S is a SMD surface-mount encapsulated AC/DC power module rated at 3.3 V, 600 mA and 2 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-02 Datasheet (PDF) The IRM-02 section is on PDF pages 5, 6, 7, 8. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-02-3.3S. Installation style SMD surface mount. The S suffix identifies the SMD configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 3.3 V. Rated current 600 mA (0.6 A). Current range 0–600 mA. Rated output power 2 W, as printed for this exact model. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 66%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 45 mA at 115 VAC; 30 mA at 230 VAC; 25 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 3.8–4.9 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 16 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. SMD pin assignments Pin 1: AC/L; Pin 24: AC/N; Pin 13: −Vo; Pin 12: +Vo; Other terminals: NC. View and footprint orientation The module pin-number drawing is a bottom view; the recommended PCB landing pattern is a top view. Preserve these separate orientations when laying out the PCB. Lead and land dimensions Lead pitch 2.54 mm; land dimensions 1.5 × 2.54 mm; paired adjacent leads are marked 1.0 mm apart. Across-lead width 27.3 mm; lead width 0.45 mm, thickness 0.3 mm and foot length 1.5 mm. Recommended PCB layout references The top-view landing pattern marks 28.5 mm and 26.47 mm across its two pad rows, a 2.03 mm edge reference and 2.54 mm lead pitch. Use the complete numbered drawing for the populated and unpopulated positions. Hot-air reflow limits Peak 240°C for 10 seconds maximum; total time above 220°C no more than 60 seconds. The published reflow profile applies only to hot-air reflow soldering. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-02-SPEC, 2025-11-21; combined PDF pages 5–8. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-02 series: PCB-Mount Encapsulated AC/DC Power Module - IRM-02-24

  MEAN WELL IRM-02-24 is a PCB through-hole encapsulated AC/DC power module rated at 24 V, 83 mA and 2 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-02 Datasheet (PDF) The IRM-02 section is on PDF pages 5, 6, 7, 8. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-02-24. Installation style PCB through-hole mounting. No mounting suffix identifies the PCB through-hole configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 24 V. Rated current 83 mA (0.083 A). Current range 0–83 mA. Rated output power 2 W, as printed for this exact model. Ripple and noise, maximum 200 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 77%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 45 mA at 115 VAC; 30 mA at 230 VAC; 25 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 25.2–32.4 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 15 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. PCB pins, bottom view With the output pair on the left as drawn: upper −V and lower +V. On the right: upper AC/N and lower AC/L. Pin dimensions and spacing Pin diameter 0.6 ±0.1 mm; extension 6 ±1 mm. The two pin columns are 28 mm apart; output pins are 7.6 mm apart and input pins 15.2 mm apart. Pin edge references The upper pin row is 3.5 mm below the top edge; the right pin column is 2.85 mm from the right case edge. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-02-SPEC, 2025-11-21; combined PDF pages 5–8. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-02 series: PCB-Mount Encapsulated AC/DC Power Module - IRM-02-15

  MEAN WELL IRM-02-15 is a PCB through-hole encapsulated AC/DC power module rated at 15 V, 133 mA and 2 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-02 Datasheet (PDF) The IRM-02 section is on PDF pages 5, 6, 7, 8. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-02-15. Installation style PCB through-hole mounting. No mounting suffix identifies the PCB through-hole configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 15 V. Rated current 133 mA (0.133 A). Current range 0–133 mA. Rated output power 2 W, as printed for this exact model. Ripple and noise, maximum 200 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 75%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 45 mA at 115 VAC; 30 mA at 230 VAC; 25 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 15.7–20.3 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 15 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. PCB pins, bottom view With the output pair on the left as drawn: upper −V and lower +V. On the right: upper AC/N and lower AC/L. Pin dimensions and spacing Pin diameter 0.6 ±0.1 mm; extension 6 ±1 mm. The two pin columns are 28 mm apart; output pins are 7.6 mm apart and input pins 15.2 mm apart. Pin edge references The upper pin row is 3.5 mm below the top edge; the right pin column is 2.85 mm from the right case edge. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-02-SPEC, 2025-11-21; combined PDF pages 5–8. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-02 series: PCB-Mount Encapsulated AC/DC Power Module - IRM-02-12

  MEAN WELL IRM-02-12 is a PCB through-hole encapsulated AC/DC power module rated at 12 V, 167 mA and 2 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-02 Datasheet (PDF) The IRM-02 section is on PDF pages 5, 6, 7, 8. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-02-12. Installation style PCB through-hole mounting. No mounting suffix identifies the PCB through-hole configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 12 V. Rated current 167 mA (0.167 A). Current range 0–167 mA. Rated output power 2 W, as printed for this exact model. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 74%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 45 mA at 115 VAC; 30 mA at 230 VAC; 25 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 12.6–16.2 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 15 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. PCB pins, bottom view With the output pair on the left as drawn: upper −V and lower +V. On the right: upper AC/N and lower AC/L. Pin dimensions and spacing Pin diameter 0.6 ±0.1 mm; extension 6 ±1 mm. The two pin columns are 28 mm apart; output pins are 7.6 mm apart and input pins 15.2 mm apart. Pin edge references The upper pin row is 3.5 mm below the top edge; the right pin column is 2.85 mm from the right case edge. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-02-SPEC, 2025-11-21; combined PDF pages 5–8. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-02 series: PCB-Mount Encapsulated AC/DC Power Module - IRM-02-9

  MEAN WELL IRM-02-9 is a PCB through-hole encapsulated AC/DC power module rated at 9 V, 222 mA and 2 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-02 Datasheet (PDF) The IRM-02 section is on PDF pages 5, 6, 7, 8. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-02-9. Installation style PCB through-hole mounting. No mounting suffix identifies the PCB through-hole configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 9 V. Rated current 222 mA (0.222 A). Current range 0–222 mA. Rated output power 2 W, as printed for this exact model. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 72%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 45 mA at 115 VAC; 30 mA at 230 VAC; 25 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 10.3–12.2 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 15 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. PCB pins, bottom view With the output pair on the left as drawn: upper −V and lower +V. On the right: upper AC/N and lower AC/L. Pin dimensions and spacing Pin diameter 0.6 ±0.1 mm; extension 6 ±1 mm. The two pin columns are 28 mm apart; output pins are 7.6 mm apart and input pins 15.2 mm apart. Pin edge references The upper pin row is 3.5 mm below the top edge; the right pin column is 2.85 mm from the right case edge. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-02-SPEC, 2025-11-21; combined PDF pages 5–8. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-02 series: PCB-Mount Encapsulated AC/DC Power Module - IRM-02-5

  MEAN WELL IRM-02-5 is a PCB through-hole encapsulated AC/DC power module rated at 5 V, 400 mA and 2 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-02 Datasheet (PDF) The IRM-02 section is on PDF pages 5, 6, 7, 8. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-02-5. Installation style PCB through-hole mounting. No mounting suffix identifies the PCB through-hole configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 5 V. Rated current 400 mA (0.4 A). Current range 0–400 mA. Rated output power 2 W, as printed for this exact model. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 70%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 45 mA at 115 VAC; 30 mA at 230 VAC; 25 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 5.2–6.8 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 15 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. PCB pins, bottom view With the output pair on the left as drawn: upper −V and lower +V. On the right: upper AC/N and lower AC/L. Pin dimensions and spacing Pin diameter 0.6 ±0.1 mm; extension 6 ±1 mm. The two pin columns are 28 mm apart; output pins are 7.6 mm apart and input pins 15.2 mm apart. Pin edge references The upper pin row is 3.5 mm below the top edge; the right pin column is 2.85 mm from the right case edge. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-02-SPEC, 2025-11-21; combined PDF pages 5–8. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-02 series: PCB-Mount Encapsulated AC/DC Power Module - IRM-02-3.3

  MEAN WELL IRM-02-3.3 is a PCB through-hole encapsulated AC/DC power module rated at 3.3 V, 600 mA and 2 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-02 Datasheet (PDF) The IRM-02 section is on PDF pages 5, 6, 7, 8. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-02-3.3. Installation style PCB through-hole mounting. No mounting suffix identifies the PCB through-hole configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 3.3 V. Rated current 600 mA (0.6 A). Current range 0–600 mA. Rated output power 2 W, as printed for this exact model. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 66%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 45 mA at 115 VAC; 30 mA at 230 VAC; 25 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 3.8–4.9 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 15 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. PCB pins, bottom view With the output pair on the left as drawn: upper −V and lower +V. On the right: upper AC/N and lower AC/L. Pin dimensions and spacing Pin diameter 0.6 ±0.1 mm; extension 6 ±1 mm. The two pin columns are 28 mm apart; output pins are 7.6 mm apart and input pins 15.2 mm apart. Pin edge references The upper pin row is 3.5 mm below the top edge; the right pin column is 2.85 mm from the right case edge. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-02-SPEC, 2025-11-21; combined PDF pages 5–8. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-01 series: SMD Encapsulated AC/DC Power Module - IRM-01-24S

  MEAN WELL IRM-01-24S is a SMD surface-mount encapsulated AC/DC power module rated at 24 V, 42 mA and 1 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-01 Datasheet (PDF) The IRM-01 section is on PDF pages 1, 2, 3, 4. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-01-24S. Installation style SMD surface mount. The S suffix identifies the SMD configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 24 V. Rated current 42 mA (0.042 A). Current range 0–42 mA. Rated output power 1 W, as printed for this exact model. Ripple and noise, maximum 200 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 77%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 25 mA at 115 VAC; 18 mA at 230 VAC; 16 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 25.2–32.4 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 16 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. SMD pin assignments Pin 1: AC/L; Pin 24: AC/N; Pin 13: −Vo; Pin 12: +Vo; Other terminals: NC. View and footprint orientation The module pin-number drawing is a bottom view; the recommended PCB landing pattern is a top view. Preserve these separate orientations when laying out the PCB. Lead and land dimensions Lead pitch 2.54 mm; land dimensions 1.5 × 2.54 mm; paired adjacent leads are marked 1.0 mm apart. Across-lead width 27.3 mm; lead width 0.45 mm, thickness 0.3 mm and foot length 1.5 mm. Recommended PCB layout references The top-view landing pattern marks 28.5 mm and 26.47 mm across its two pad rows, a 2.03 mm edge reference and 2.54 mm lead pitch. Use the complete numbered drawing for the populated and unpopulated positions. Hot-air reflow limits Peak 240°C for 10 seconds maximum; total time above 220°C no more than 60 seconds. The published reflow profile applies only to hot-air reflow soldering. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-01-SPEC, 2025-11-21; combined PDF pages 1–4. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-01 series: SMD Encapsulated AC/DC Power Module - IRM-01-15S

  MEAN WELL IRM-01-15S is a SMD surface-mount encapsulated AC/DC power module rated at 15 V, 67 mA and 1 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-01 Datasheet (PDF) The IRM-01 section is on PDF pages 1, 2, 3, 4. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-01-15S. Installation style SMD surface mount. The S suffix identifies the SMD configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 15 V. Rated current 67 mA (0.067 A). Current range 0–67 mA. Rated output power 1 W, as printed for this exact model. Ripple and noise, maximum 200 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 75%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 25 mA at 115 VAC; 18 mA at 230 VAC; 16 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 15.7–20.3 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 16 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. SMD pin assignments Pin 1: AC/L; Pin 24: AC/N; Pin 13: −Vo; Pin 12: +Vo; Other terminals: NC. View and footprint orientation The module pin-number drawing is a bottom view; the recommended PCB landing pattern is a top view. Preserve these separate orientations when laying out the PCB. Lead and land dimensions Lead pitch 2.54 mm; land dimensions 1.5 × 2.54 mm; paired adjacent leads are marked 1.0 mm apart. Across-lead width 27.3 mm; lead width 0.45 mm, thickness 0.3 mm and foot length 1.5 mm. Recommended PCB layout references The top-view landing pattern marks 28.5 mm and 26.47 mm across its two pad rows, a 2.03 mm edge reference and 2.54 mm lead pitch. Use the complete numbered drawing for the populated and unpopulated positions. Hot-air reflow limits Peak 240°C for 10 seconds maximum; total time above 220°C no more than 60 seconds. The published reflow profile applies only to hot-air reflow soldering. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-01-SPEC, 2025-11-21; combined PDF pages 1–4. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-01 series: SMD Encapsulated AC/DC Power Module - IRM-01-12S

  MEAN WELL IRM-01-12S is a SMD surface-mount encapsulated AC/DC power module rated at 12 V, 83 mA and 1 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-01 Datasheet (PDF) The IRM-01 section is on PDF pages 1, 2, 3, 4. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-01-12S. Installation style SMD surface mount. The S suffix identifies the SMD configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 12 V. Rated current 83 mA (0.083 A). Current range 0–83 mA. Rated output power 1 W, as printed for this exact model. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 74%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 25 mA at 115 VAC; 18 mA at 230 VAC; 16 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 12.6–16.2 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 16 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. SMD pin assignments Pin 1: AC/L; Pin 24: AC/N; Pin 13: −Vo; Pin 12: +Vo; Other terminals: NC. View and footprint orientation The module pin-number drawing is a bottom view; the recommended PCB landing pattern is a top view. Preserve these separate orientations when laying out the PCB. Lead and land dimensions Lead pitch 2.54 mm; land dimensions 1.5 × 2.54 mm; paired adjacent leads are marked 1.0 mm apart. Across-lead width 27.3 mm; lead width 0.45 mm, thickness 0.3 mm and foot length 1.5 mm. Recommended PCB layout references The top-view landing pattern marks 28.5 mm and 26.47 mm across its two pad rows, a 2.03 mm edge reference and 2.54 mm lead pitch. Use the complete numbered drawing for the populated and unpopulated positions. Hot-air reflow limits Peak 240°C for 10 seconds maximum; total time above 220°C no more than 60 seconds. The published reflow profile applies only to hot-air reflow soldering. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-01-SPEC, 2025-11-21; combined PDF pages 1–4. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-01 series: SMD Encapsulated AC/DC Power Module - IRM-01-9S

  MEAN WELL IRM-01-9S is a SMD surface-mount encapsulated AC/DC power module rated at 9 V, 111 mA and 1 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-01 Datasheet (PDF) The IRM-01 section is on PDF pages 1, 2, 3, 4. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-01-9S. Installation style SMD surface mount. The S suffix identifies the SMD configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 9 V. Rated current 111 mA (0.111 A). Current range 0–111 mA. Rated output power 1 W, as printed for this exact model. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 72%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 25 mA at 115 VAC; 18 mA at 230 VAC; 16 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 10.3–12.2 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 16 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. SMD pin assignments Pin 1: AC/L; Pin 24: AC/N; Pin 13: −Vo; Pin 12: +Vo; Other terminals: NC. View and footprint orientation The module pin-number drawing is a bottom view; the recommended PCB landing pattern is a top view. Preserve these separate orientations when laying out the PCB. Lead and land dimensions Lead pitch 2.54 mm; land dimensions 1.5 × 2.54 mm; paired adjacent leads are marked 1.0 mm apart. Across-lead width 27.3 mm; lead width 0.45 mm, thickness 0.3 mm and foot length 1.5 mm. Recommended PCB layout references The top-view landing pattern marks 28.5 mm and 26.47 mm across its two pad rows, a 2.03 mm edge reference and 2.54 mm lead pitch. Use the complete numbered drawing for the populated and unpopulated positions. Hot-air reflow limits Peak 240°C for 10 seconds maximum; total time above 220°C no more than 60 seconds. The published reflow profile applies only to hot-air reflow soldering. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-01-SPEC, 2025-11-21; combined PDF pages 1–4. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-01 series: SMD Encapsulated AC/DC Power Module - IRM-01-5S

  MEAN WELL IRM-01-5S is a SMD surface-mount encapsulated AC/DC power module rated at 5 V, 200 mA and 1 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-01 Datasheet (PDF) The IRM-01 section is on PDF pages 1, 2, 3, 4. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-01-5S. Installation style SMD surface mount. The S suffix identifies the SMD configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 5 V. Rated current 200 mA (0.2 A). Current range 0–200 mA. Rated output power 1 W, as printed for this exact model. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 70%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 25 mA at 115 VAC; 18 mA at 230 VAC; 16 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 5.2–6.8 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 16 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. SMD pin assignments Pin 1: AC/L; Pin 24: AC/N; Pin 13: −Vo; Pin 12: +Vo; Other terminals: NC. View and footprint orientation The module pin-number drawing is a bottom view; the recommended PCB landing pattern is a top view. Preserve these separate orientations when laying out the PCB. Lead and land dimensions Lead pitch 2.54 mm; land dimensions 1.5 × 2.54 mm; paired adjacent leads are marked 1.0 mm apart. Across-lead width 27.3 mm; lead width 0.45 mm, thickness 0.3 mm and foot length 1.5 mm. Recommended PCB layout references The top-view landing pattern marks 28.5 mm and 26.47 mm across its two pad rows, a 2.03 mm edge reference and 2.54 mm lead pitch. Use the complete numbered drawing for the populated and unpopulated positions. Hot-air reflow limits Peak 240°C for 10 seconds maximum; total time above 220°C no more than 60 seconds. The published reflow profile applies only to hot-air reflow soldering. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-01-SPEC, 2025-11-21; combined PDF pages 1–4. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-01 series: SMD Encapsulated AC/DC Power Module - IRM-01-3.3S

  MEAN WELL IRM-01-3.3S is a SMD surface-mount encapsulated AC/DC power module rated at 3.3 V, 300 mA and 1 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-01 Datasheet (PDF) The IRM-01 section is on PDF pages 1, 2, 3, 4. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-01-3.3S. Installation style SMD surface mount. The S suffix identifies the SMD configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 3.3 V. Rated current 300 mA (0.3 A). Current range 0–300 mA. Rated output power 1 W, as printed for this exact model. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 66%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 25 mA at 115 VAC; 18 mA at 230 VAC; 16 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 3.8–4.9 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 16 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. SMD pin assignments Pin 1: AC/L; Pin 24: AC/N; Pin 13: −Vo; Pin 12: +Vo; Other terminals: NC. View and footprint orientation The module pin-number drawing is a bottom view; the recommended PCB landing pattern is a top view. Preserve these separate orientations when laying out the PCB. Lead and land dimensions Lead pitch 2.54 mm; land dimensions 1.5 × 2.54 mm; paired adjacent leads are marked 1.0 mm apart. Across-lead width 27.3 mm; lead width 0.45 mm, thickness 0.3 mm and foot length 1.5 mm. Recommended PCB layout references The top-view landing pattern marks 28.5 mm and 26.47 mm across its two pad rows, a 2.03 mm edge reference and 2.54 mm lead pitch. Use the complete numbered drawing for the populated and unpopulated positions. Hot-air reflow limits Peak 240°C for 10 seconds maximum; total time above 220°C no more than 60 seconds. The published reflow profile applies only to hot-air reflow soldering. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-01-SPEC, 2025-11-21; combined PDF pages 1–4. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-01 series: PCB-Mount Encapsulated AC/DC Power Module - IRM-01-24

  MEAN WELL IRM-01-24 is a PCB through-hole encapsulated AC/DC power module rated at 24 V, 42 mA and 1 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-01 Datasheet (PDF) The IRM-01 section is on PDF pages 1, 2, 3, 4. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-01-24. Installation style PCB through-hole mounting. No mounting suffix identifies the PCB through-hole configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 24 V. Rated current 42 mA (0.042 A). Current range 0–42 mA. Rated output power 1 W, as printed for this exact model. Ripple and noise, maximum 200 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 77%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 25 mA at 115 VAC; 18 mA at 230 VAC; 16 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 25.2–32.4 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 15 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. PCB pins, bottom view With the output pair on the left as drawn: upper −V and lower +V. On the right: upper AC/N and lower AC/L. Pin dimensions and spacing Pin diameter 0.6 ±0.1 mm; extension 6 ±1 mm. The two pin columns are 28 mm apart; output pins are 7.6 mm apart and input pins 15.2 mm apart. Pin edge references The upper pin row is 3.5 mm below the top edge; the right pin column is 2.85 mm from the right case edge. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-01-SPEC, 2025-11-21; combined PDF pages 1–4. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-01 series: PCB-Mount Encapsulated AC/DC Power Module - IRM-01-15

  MEAN WELL IRM-01-15 is a PCB through-hole encapsulated AC/DC power module rated at 15 V, 67 mA and 1 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-01 Datasheet (PDF) The IRM-01 section is on PDF pages 1, 2, 3, 4. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-01-15. Installation style PCB through-hole mounting. No mounting suffix identifies the PCB through-hole configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 15 V. Rated current 67 mA (0.067 A). Current range 0–67 mA. Rated output power 1 W, as printed for this exact model. Ripple and noise, maximum 200 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 75%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 25 mA at 115 VAC; 18 mA at 230 VAC; 16 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 15.7–20.3 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 15 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. PCB pins, bottom view With the output pair on the left as drawn: upper −V and lower +V. On the right: upper AC/N and lower AC/L. Pin dimensions and spacing Pin diameter 0.6 ±0.1 mm; extension 6 ±1 mm. The two pin columns are 28 mm apart; output pins are 7.6 mm apart and input pins 15.2 mm apart. Pin edge references The upper pin row is 3.5 mm below the top edge; the right pin column is 2.85 mm from the right case edge. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-01-SPEC, 2025-11-21; combined PDF pages 1–4. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-01 series: PCB-Mount Encapsulated AC/DC Power Module - IRM-01-12

  MEAN WELL IRM-01-12 is a PCB through-hole encapsulated AC/DC power module rated at 12 V, 83 mA and 1 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-01 Datasheet (PDF) The IRM-01 section is on PDF pages 1, 2, 3, 4. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-01-12. Installation style PCB through-hole mounting. No mounting suffix identifies the PCB through-hole configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 12 V. Rated current 83 mA (0.083 A). Current range 0–83 mA. Rated output power 1 W, as printed for this exact model. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 74%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 25 mA at 115 VAC; 18 mA at 230 VAC; 16 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 12.6–16.2 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 15 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. PCB pins, bottom view With the output pair on the left as drawn: upper −V and lower +V. On the right: upper AC/N and lower AC/L. Pin dimensions and spacing Pin diameter 0.6 ±0.1 mm; extension 6 ±1 mm. The two pin columns are 28 mm apart; output pins are 7.6 mm apart and input pins 15.2 mm apart. Pin edge references The upper pin row is 3.5 mm below the top edge; the right pin column is 2.85 mm from the right case edge. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-01-SPEC, 2025-11-21; combined PDF pages 1–4. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-01 series: PCB-Mount Encapsulated AC/DC Power Module - IRM-01-9

  MEAN WELL IRM-01-9 is a PCB through-hole encapsulated AC/DC power module rated at 9 V, 111 mA and 1 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-01 Datasheet (PDF) The IRM-01 section is on PDF pages 1, 2, 3, 4. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-01-9. Installation style PCB through-hole mounting. No mounting suffix identifies the PCB through-hole configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 9 V. Rated current 111 mA (0.111 A). Current range 0–111 mA. Rated output power 1 W, as printed for this exact model. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 72%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 25 mA at 115 VAC; 18 mA at 230 VAC; 16 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 10.3–12.2 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 15 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. PCB pins, bottom view With the output pair on the left as drawn: upper −V and lower +V. On the right: upper AC/N and lower AC/L. Pin dimensions and spacing Pin diameter 0.6 ±0.1 mm; extension 6 ±1 mm. The two pin columns are 28 mm apart; output pins are 7.6 mm apart and input pins 15.2 mm apart. Pin edge references The upper pin row is 3.5 mm below the top edge; the right pin column is 2.85 mm from the right case edge. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-01-SPEC, 2025-11-21; combined PDF pages 1–4. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-01 series: PCB-Mount Encapsulated AC/DC Power Module - IRM-01-5

  MEAN WELL IRM-01-5 is a PCB through-hole encapsulated AC/DC power module rated at 5 V, 200 mA and 1 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-01 Datasheet (PDF) The IRM-01 section is on PDF pages 1, 2, 3, 4. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-01-5. Installation style PCB through-hole mounting. No mounting suffix identifies the PCB through-hole configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 5 V. Rated current 200 mA (0.2 A). Current range 0–200 mA. Rated output power 1 W, as printed for this exact model. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 70%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 25 mA at 115 VAC; 18 mA at 230 VAC; 16 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 5.2–6.8 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 15 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. PCB pins, bottom view With the output pair on the left as drawn: upper −V and lower +V. On the right: upper AC/N and lower AC/L. Pin dimensions and spacing Pin diameter 0.6 ±0.1 mm; extension 6 ±1 mm. The two pin columns are 28 mm apart; output pins are 7.6 mm apart and input pins 15.2 mm apart. Pin edge references The upper pin row is 3.5 mm below the top edge; the right pin column is 2.85 mm from the right case edge. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-01-SPEC, 2025-11-21; combined PDF pages 1–4. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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  MEAN WELL IRM-01 series: PCB-Mount Encapsulated AC/DC Power Module - IRM-01-3.3

  MEAN WELL IRM-01-3.3 is a PCB through-hole encapsulated AC/DC power module rated at 3.3 V, 300 mA and 1 W. Its universal input accepts 85–305 VAC or 120–430 VDC. The silicone-potted phenolic enclosure, Class II construction with no FG pin and free-air convection cooling suit PCB integration in industrial and electronic equipment. Observe the input, temperature and installation limits below. Product Datasheet Download MEAN WELL IRM-01 Datasheet (PDF) The IRM-01 section is on PDF pages 1, 2, 3, 4. Refer to the complete mechanical drawings and notes when planning installation. Model and Mounting Configuration Exact model IRM-01-3.3. Installation style PCB through-hole mounting. No mounting suffix identifies the PCB through-hole configuration. Construction Phenolic enclosure with silicone potting to support heat dissipation, vibration resistance and basic resistance to dust and moisture. Typical applications Industrial electrical equipment, mechanical equipment, factory automation and handheld electronic devices. This is an encapsulated industrial AC/DC power module for integration on an equipment PCB. Its mounting style, pin assignments and soldering limits must match the selected model. The enclosure description does not specify an IP rating. Model-Specific DC Output DC output voltage 3.3 V. Rated current 300 mA (0.3 A). Current range 0–300 mA. Rated output power 1 W, as printed for this exact model. Ripple and noise, maximum 150 mVp-p. Voltage tolerance ±2.5%; includes set-up tolerance, line regulation and load regulation. Line regulation ±0.5%. Load regulation ±0.5%. Efficiency, typical 66%. Unless stated otherwise, parameters are measured at 230 VAC, rated load and 25°C ambient. The rated power and current preserve the catalogue’s printed precision. Ripple and noise are measured at 20 MHz bandwidth using a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors in parallel. Input and Start-Up AC input range 85–305 VAC; universal full-range input, subject to low-input derating. DC input range 120–430 VDC. AC frequency 47–63 Hz. Input current, typical 25 mA at 115 VAC; 18 mA at 230 VAC; 16 mA at 277 VAC. Inrush current, typical 5 A at 115 VAC; 10 A at 230 VAC. No-load input power Less than 0.075 W. Set-up and rise time 600 ms set-up and 30 ms rise, at both 230 VAC and 115 VAC, full load. Hold-up time, typical 40 ms at 230 VAC; 12 ms at 115 VAC, full load. Leakage current Less than 0.25 mA at 277 VAC. Switching-frequency reference 130 kHz in the block diagram. Protection Short circuit and overload Short-circuit protection is listed. Overload threshold: ≥110% of rated output power; hiccup mode automatically recovers after the fault is removed. Overvoltage threshold 3.8–4.9 V. Overvoltage action Output voltage shuts off, with clamping by a zener diode. Protection thresholds are not additional continuous or peak output ratings. Operate within the model-specific current and power ratings and the applicable derating curves. Cooling, Derating and Environment Cooling Free-air convection. Working ambient range −30 to +85°C, subject to the load-derating curve. Horizontal temperature/load curve 100% load from −30 to +70°C, reducing to 60% at +85°C. Input-voltage/load curve At 60 Hz: 80% load at 85 VAC, rising to 100% at 100 VAC; 100% plateau through 305 VAC. Operating humidity 20–90% RH, non-condensing. Storage conditions −40 to +100°C; 10–95% RH. Temperature coefficient ±0.03%/°C from 0 to 75°C. Vibration 10–500 Hz, 5 G, 10 minutes per cycle; 60 minutes each along X, Y and Z. High-altitude thermal note For fanless models operating above 2,000 m, the catalogue specifies an ambient-temperature reduction of 3.5°C per additional 1,000 m. This thermal note does not extend the separately stated OVC II altitude rating. Apply temperature and input-voltage restrictions together, using the full curves for intermediate conditions. The upper working temperature is a derated operating point, not a full-power claim. Dimensions, Pin Assignments and Soldering Dimensions, L × W × H 33.7 × 22.2 × 15 mm. Case and drawing units Case No. IRM02; dimensions in millimetres, general tolerance ±0.5 mm unless otherwise indicated. PCB pins, bottom view With the output pair on the left as drawn: upper −V and lower +V. On the right: upper AC/N and lower AC/L. Pin dimensions and spacing Pin diameter 0.6 ±0.1 mm; extension 6 ±1 mm. The two pin columns are 28 mm apart; output pins are 7.6 mm apart and input pins 15.2 mm apart. Pin edge references The upper pin row is 3.5 mm below the top edge; the right pin column is 2.85 mm from the right case edge. Other soldering limits Wave soldering: 265°C for 5 seconds maximum; manual soldering: 390°C for 3 seconds maximum. Mounting and accessory selection Use the matching manufacturer footprint and installation instructions. The assigned catalogue pages specify no separate orderable connector, mounting kit or accessory code for this model. The case drawing and the recommended board layout use different views where indicated. Do not mirror input and output connections or treat NC positions as usable electrical terminals. Case references and dimension callouts are not separate accessory ordering codes. Safety and EMC Safety standards listed as approved IEC62368-1; IEC61558-1/-2-16; UL62368-1; TUV BS EN/EN62368-1; BS EN/EN61558-1/-2-16; EAC TP TC004; BSMI CNS15598-1. Protection class and limited power Class II construction, with no FG pin. LPS is identified on the catalogue feature page. Overvoltage category and altitude OVC II up to 2,000 m under IEC/EN61558-1/-2-16 and IEC/EN/UL62368-1. Input-to-output withstand voltage 4.2 kVAC. Input-to-output insulation resistance 100 MΩ at 500 VDC, 25°C and 70% RH. Emissions compliance BS EN/EN55032 (CISPR32) Class B; BS EN/EN61000-3-2 and -3; EAC TP TC020; CNS15936 Class B. Immunity compliance BS EN/EN61000-4-2, -3, -4, -5, -6, -8 and -11; BS EN/EN55035; EAC TP TC020. Heavy-industry level is stated, with line-to-neutral surge 1 kV. Built-in EMI filtering is specified to meet BS EN/EN55032 Class B without additional components. Confirm the final assembled equipment’s applicable safety and EMC requirements; component-level compliance does not by itself certify the complete system. Weight, Reliability and Catalogue Single-unit catalogue weight 24 g (0.024 kg), explicitly stated in PACKING for this mounting style; a catalogue reference rather than a measured parcel weight. Packing reference 640 pieces / 16.3 kg / 0.84 CUFT. Minimum MTBF estimates 13571.4 thousand hours by Telcordia SR-332 (Bellcore); 1960.2 thousand hours by MIL-HDBK-217F at 25°C. Catalogue warranty 3-year manufacturer warranty, subject to the applicable terms. Applicable specification IRM-01-SPEC, 2025-11-21; combined PDF pages 1–4. Operating values and mounting details apply to the exact suffix shown above. MTBF is a statistical reliability estimate, not a guaranteed service-life duration.

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