MEAN WELL SKE15 series: Isolated single-output DC-DC converter - SKE15C-24

Description

SKE15C-24 — Isolated single-output DC-DC converter

MEAN WELL SKE15C-24 is an isolated, regulated single-output DC-DC converter with 36–72 V DC input and 24 V DC output. Its rated output is 15 W with a 62.5–625 mA output-current range. It uses a six-sided shielded metal case and natural convection cooling.

Download MEAN WELL SKE15 Datasheet (PDF)

Series section: PDF pages 1–2.

Model and output specifications

Output voltage 24 V DC.
Output current range 62.5–625 mA. Maintain at least 62.5 mA output load.
Rated output power 15 W.
Voltage accuracy ±2.0%.
Line regulation ±0.3%; measured from low to high input at rated load.
Load regulation ±0.5%; measured from 10% to 100% of rated load.
Ripple and noise 80 mVp-p maximum. Measured at 20 MHz bandwidth using a 12-inch twisted pair terminated with 0.1 µF and 47 µF capacitors.
Switching frequency 150 kHz minimum.

Input and protection

Input voltage 36–72 V DC; 2:1 input range.
Typical efficiency 84% under the reference test conditions.
Input DC current 400 mA at full load; 10 mA at no load.
Input filter and fuse Built-in EMI filter with a Pi network. An input fuse is recommended.
Overcurrent protection 160–250% of rated output power; hiccup mode, with automatic recovery after the fault is removed.
Short-circuit protection All outputs are protected by hiccup mode, with automatic recovery after the fault is removed.
Fault-duration limit Do not operate in overload or short circuit for more than 30 seconds.

Operating conditions and isolation

Operating temperature and cooling −25 to +71°C; free-air convection. Apply the stated load derating.
Load derating The graph permits 100% load through +60°C and shows approximately 80% at +71°C. The specified operating range ends at +71°C; the further graph extension does not extend this rating.
Working humidity 20–90% RH, non-condensing.
Storage conditions −25 to +105°C; 10–95% RH.
Temperature coefficient ±0.03%/°C over 0–50°C.
Vibration 10–500 Hz, 2G; 10 minutes per cycle, for 60 minutes along each of the X, Y and Z axes.
Reference test conditions Normal input, rated load, 25°C and 70% RH, unless otherwise specified.
Input-to-output withstand voltage 1.5 kV DC.
Isolation resistance 100 MΩ between input and output, tested at 500 V DC, 25°C and 70% RH.

Mechanical design and installation

Dimensions 50.8 × 50.8 × 11.0 mm (L × W × H).
Pin assignment Pin 1: +Vin; pin 2: −Vin; pin 3: +Vout; pin 4: no pin; pin 5: −Vout. Check the bottom-view orientation before PCB assembly.
Mechanical drawing details Six-sided shielded metal case. Lead projection 5.8 mm; pin diameter 1.0 mm (+0.2/−0.1 mm). Use the complete bottom-view drawing for the PCB footprint.
Unit weight reference 60 g, stated as a catalog packing reference per unit.
Manufacturer packaging reference 5 pieces per tube; tube gross weight 360 g. Up to 200 pieces per carton; carton gross weight 15.2 kg. These are manufacturer packaging references.

Standards and manufacturer references

Safety standards EAC TP TC 020/2011 approved.
EMC emission BS EN/EN55032 Class A, FCC Part 15 Class A and EAC TP TC 020.
EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6 and -8; light-industry level, criteria A; EAC TP TC 020.
Catalog markings FCC, EAC, CE and UKCA are shown in the catalog.
Manufacturing test 100% burn-in test.
Manufacturer warranty reference The catalog states a 2-year manufacturer warranty.
MTBF reference 300,000 hours minimum, MIL-HDBK-217F at 25°C. A statistical reliability reference, not a service-life guarantee.
Optional versions The series lists optional 4:1 input and 3000 V DC isolation versions. These options are not the standard ratings of this model; confirm the required factory configuration before ordering.

MEAN WELL SKE15 series: Isolated single-output DC-DC converter - SKE15C-24

Product form

SKE15C-24 — Isolated single-output DC-DC converter MEAN WELL SKE15C-24 is an isolated, regulated single-output DC-DC converter with 36–72 V DC... Read more

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    Description

    SKE15C-24 — Isolated single-output DC-DC converter

    MEAN WELL SKE15C-24 is an isolated, regulated single-output DC-DC converter with 36–72 V DC input and 24 V DC output. Its rated output is 15 W with a 62.5–625 mA output-current range. It uses a six-sided shielded metal case and natural convection cooling.

    Download MEAN WELL SKE15 Datasheet (PDF)

    Series section: PDF pages 1–2.

    Model and output specifications

    Output voltage 24 V DC.
    Output current range 62.5–625 mA. Maintain at least 62.5 mA output load.
    Rated output power 15 W.
    Voltage accuracy ±2.0%.
    Line regulation ±0.3%; measured from low to high input at rated load.
    Load regulation ±0.5%; measured from 10% to 100% of rated load.
    Ripple and noise 80 mVp-p maximum. Measured at 20 MHz bandwidth using a 12-inch twisted pair terminated with 0.1 µF and 47 µF capacitors.
    Switching frequency 150 kHz minimum.

    Input and protection

    Input voltage 36–72 V DC; 2:1 input range.
    Typical efficiency 84% under the reference test conditions.
    Input DC current 400 mA at full load; 10 mA at no load.
    Input filter and fuse Built-in EMI filter with a Pi network. An input fuse is recommended.
    Overcurrent protection 160–250% of rated output power; hiccup mode, with automatic recovery after the fault is removed.
    Short-circuit protection All outputs are protected by hiccup mode, with automatic recovery after the fault is removed.
    Fault-duration limit Do not operate in overload or short circuit for more than 30 seconds.

    Operating conditions and isolation

    Operating temperature and cooling −25 to +71°C; free-air convection. Apply the stated load derating.
    Load derating The graph permits 100% load through +60°C and shows approximately 80% at +71°C. The specified operating range ends at +71°C; the further graph extension does not extend this rating.
    Working humidity 20–90% RH, non-condensing.
    Storage conditions −25 to +105°C; 10–95% RH.
    Temperature coefficient ±0.03%/°C over 0–50°C.
    Vibration 10–500 Hz, 2G; 10 minutes per cycle, for 60 minutes along each of the X, Y and Z axes.
    Reference test conditions Normal input, rated load, 25°C and 70% RH, unless otherwise specified.
    Input-to-output withstand voltage 1.5 kV DC.
    Isolation resistance 100 MΩ between input and output, tested at 500 V DC, 25°C and 70% RH.

    Mechanical design and installation

    Dimensions 50.8 × 50.8 × 11.0 mm (L × W × H).
    Pin assignment Pin 1: +Vin; pin 2: −Vin; pin 3: +Vout; pin 4: no pin; pin 5: −Vout. Check the bottom-view orientation before PCB assembly.
    Mechanical drawing details Six-sided shielded metal case. Lead projection 5.8 mm; pin diameter 1.0 mm (+0.2/−0.1 mm). Use the complete bottom-view drawing for the PCB footprint.
    Unit weight reference 60 g, stated as a catalog packing reference per unit.
    Manufacturer packaging reference 5 pieces per tube; tube gross weight 360 g. Up to 200 pieces per carton; carton gross weight 15.2 kg. These are manufacturer packaging references.

    Standards and manufacturer references

    Safety standards EAC TP TC 020/2011 approved.
    EMC emission BS EN/EN55032 Class A, FCC Part 15 Class A and EAC TP TC 020.
    EMC immunity BS EN/EN61000-4-2, -3, -4, -5, -6 and -8; light-industry level, criteria A; EAC TP TC 020.
    Catalog markings FCC, EAC, CE and UKCA are shown in the catalog.
    Manufacturing test 100% burn-in test.
    Manufacturer warranty reference The catalog states a 2-year manufacturer warranty.
    MTBF reference 300,000 hours minimum, MIL-HDBK-217F at 25°C. A statistical reliability reference, not a service-life guarantee.
    Optional versions The series lists optional 4:1 input and 3000 V DC isolation versions. These options are not the standard ratings of this model; confirm the required factory configuration before ordering.

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