MEAN WELL SCW08 series: isolated single-output DC-DC converter - SCW08C-12

Description

MEAN WELL SCW08C-12 — DC-DC converter

MEAN WELL SCW08C-12 is an isolated, regulated single-output DC-DC converter with 12 V DC output and a 36–72 V DC input range. It uses a compact DIP24 package for integration into electronic equipment.

Download MEAN WELL SCW08 Datasheet (PDF)

Electrical specifications

Parameter Specification
Model SCW08C-12
Output configuration Single regulated DC output.
Output voltage 12 V DC
Output current 134–670 mA; use the specified current range.
Catalog power rating 8 W series rating. The selected model is limited by its listed output voltage and current; do not increase current to reach the series wattage.
Input voltage 36–72 V DC (2:1 range).
Input current No load: 15 mA; full load: 215 mA at the catalog test conditions.
Efficiency (typical) 81% at the specified nominal-input and rated-load conditions.
Capacitive load (maximum) 220 µF.
Voltage accuracy ±2%
Ripple and noise 60 mVp-p. Measured with 20 MHz bandwidth and a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors.
Line regulation ±0.5% from low to high input at rated load.
Load regulation ±0.5% (20–100% rated load).
Switching frequency 50 kHz minimum
Input filter Built-in EMI filter with a pi-network input filter.
Specification conditions Nominal input, rated load, 25°C ambient and 70% RH unless otherwise specified.

Protection and control

Parameter Specification
Input fuse An external input fuse is recommended; the series sheet does not specify a fuse current.
Short circuit Hiccup mode; automatic recovery after the fault is removed. Do not operate in overload or short circuit for more than 30 seconds.
Overload 110–250% of rated output power; hiccup mode and automatic recovery after removal of the fault.

Mechanical and environmental specifications

Parameter Specification
Dimensions 31.8 × 20.3 × 12.2 mm (L × W × H).
Case and cooling Five-sided shielded metal case. Free-air convection cooling.
Pin assignment Bottom-view numbering: pins 2 and 3 = −Vin; pins 22 and 23 = +Vin; pins 9 and 11 = N.C.; pin 14 = +Vout; pin 16 = −Vout. N.C. means no connection. Follow the drawing orientation when laying out the PCB.
Mechanical installation Use the catalog bottom-view drawing: 15.24 mm between the two pin rows, 2.54 mm grid and 3.81 mm lead projection. The drawing and pin-size footnote differ; confirm pin diameter against the supplied unit before finalizing PCB holes.
Working environment −40 to +71°C with load derating; 20–90% RH, non-condensing.
Load derating Natural convection: 100% load through +60°C, then derate to 80% at +71°C. The specified working range ends at +71°C.
Storage -40 to +105°C; 10–95% RH.
Temperature coefficient ±0.03%/°C (0–50°C).
Vibration 10–500 Hz, 2 G, 10 minutes per cycle; 60 minutes along each X, Y and Z axis.
Catalog packing reference per unit 17.5 g, from the catalog PACKING entry; not a measured net weight.
Manufacturer packing 15 pieces per tube; this is the catalog packing arrangement.

Isolation, EMC and manufacturer information

Parameter Specification
Isolation withstand Input-to-output: 1.5 kV DC.
Isolation resistance Input-to-output: 100 MΩ at 500 V DC, 25°C and 70% RH.
Isolation capacitance 250 pF maximum.
EMC emissions BS EN/EN 55032 Class B; FCC Part 15 Class B; EAC TP TC 020.
EMC immunity BS EN/EN 61000-4-2, -3, -4, -5, -6 and -8: light-industry level, criteria A; EAC TP TC 020.
Approval EAC TP TC 020/2011 approved.
System EMC Reconfirm EMC compliance in the final equipment. The component specification does not replace the complete system assessment.
MTBF 900 k hours minimum per MIL-HDBK-217F at 25°C; not a service-life or warranty guarantee.
Manufacturer warranty reference The catalog states a 2-year manufacturer warranty; the manufacturer’s applicable terms govern.
Manufacturing test 100% full-load burn-in test, as stated in the catalog.

MEAN WELL SCW08 series: isolated single-output DC-DC converter - SCW08C-12

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MEAN WELL SCW08C-12 — DC-DC converter MEAN WELL SCW08C-12 is an isolated, regulated single-output DC-DC converter with 12 V DC... Read more

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    Description

    MEAN WELL SCW08C-12 — DC-DC converter

    MEAN WELL SCW08C-12 is an isolated, regulated single-output DC-DC converter with 12 V DC output and a 36–72 V DC input range. It uses a compact DIP24 package for integration into electronic equipment.

    Download MEAN WELL SCW08 Datasheet (PDF)

    Electrical specifications

    Parameter Specification
    Model SCW08C-12
    Output configuration Single regulated DC output.
    Output voltage 12 V DC
    Output current 134–670 mA; use the specified current range.
    Catalog power rating 8 W series rating. The selected model is limited by its listed output voltage and current; do not increase current to reach the series wattage.
    Input voltage 36–72 V DC (2:1 range).
    Input current No load: 15 mA; full load: 215 mA at the catalog test conditions.
    Efficiency (typical) 81% at the specified nominal-input and rated-load conditions.
    Capacitive load (maximum) 220 µF.
    Voltage accuracy ±2%
    Ripple and noise 60 mVp-p. Measured with 20 MHz bandwidth and a 12-inch twisted pair terminated by 0.1 µF and 47 µF capacitors.
    Line regulation ±0.5% from low to high input at rated load.
    Load regulation ±0.5% (20–100% rated load).
    Switching frequency 50 kHz minimum
    Input filter Built-in EMI filter with a pi-network input filter.
    Specification conditions Nominal input, rated load, 25°C ambient and 70% RH unless otherwise specified.

    Protection and control

    Parameter Specification
    Input fuse An external input fuse is recommended; the series sheet does not specify a fuse current.
    Short circuit Hiccup mode; automatic recovery after the fault is removed. Do not operate in overload or short circuit for more than 30 seconds.
    Overload 110–250% of rated output power; hiccup mode and automatic recovery after removal of the fault.

    Mechanical and environmental specifications

    Parameter Specification
    Dimensions 31.8 × 20.3 × 12.2 mm (L × W × H).
    Case and cooling Five-sided shielded metal case. Free-air convection cooling.
    Pin assignment Bottom-view numbering: pins 2 and 3 = −Vin; pins 22 and 23 = +Vin; pins 9 and 11 = N.C.; pin 14 = +Vout; pin 16 = −Vout. N.C. means no connection. Follow the drawing orientation when laying out the PCB.
    Mechanical installation Use the catalog bottom-view drawing: 15.24 mm between the two pin rows, 2.54 mm grid and 3.81 mm lead projection. The drawing and pin-size footnote differ; confirm pin diameter against the supplied unit before finalizing PCB holes.
    Working environment −40 to +71°C with load derating; 20–90% RH, non-condensing.
    Load derating Natural convection: 100% load through +60°C, then derate to 80% at +71°C. The specified working range ends at +71°C.
    Storage -40 to +105°C; 10–95% RH.
    Temperature coefficient ±0.03%/°C (0–50°C).
    Vibration 10–500 Hz, 2 G, 10 minutes per cycle; 60 minutes along each X, Y and Z axis.
    Catalog packing reference per unit 17.5 g, from the catalog PACKING entry; not a measured net weight.
    Manufacturer packing 15 pieces per tube; this is the catalog packing arrangement.

    Isolation, EMC and manufacturer information

    Parameter Specification
    Isolation withstand Input-to-output: 1.5 kV DC.
    Isolation resistance Input-to-output: 100 MΩ at 500 V DC, 25°C and 70% RH.
    Isolation capacitance 250 pF maximum.
    EMC emissions BS EN/EN 55032 Class B; FCC Part 15 Class B; EAC TP TC 020.
    EMC immunity BS EN/EN 61000-4-2, -3, -4, -5, -6 and -8: light-industry level, criteria A; EAC TP TC 020.
    Approval EAC TP TC 020/2011 approved.
    System EMC Reconfirm EMC compliance in the final equipment. The component specification does not replace the complete system assessment.
    MTBF 900 k hours minimum per MIL-HDBK-217F at 25°C; not a service-life or warranty guarantee.
    Manufacturer warranty reference The catalog states a 2-year manufacturer warranty; the manufacturer’s applicable terms govern.
    Manufacturing test 100% full-load burn-in test, as stated in the catalog.

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