MEAN WELL SKE10 series: Isolated regulated single-output DC-DC converter - SKE10B-24

Description

SKE10B-24 — Isolated regulated single-output DC-DC converter

MEAN WELL SKE10B-24 is an isolated, regulated single-output DC-DC converter with 24 V DC output and a specified current range of 42–420 mA. Its 2 × 1 inch package accepts 18–36 V DC and provides 1.5 kV DC input-to-output isolation. It uses a built-in EMI filter and a metal case with shielding on all six sides.

Download MEAN WELL SKE10 Datasheet (PDF)

Series section: PDF pages 3–4.

Model and output specifications

Complete model SKE10B-24
Model selection SKE10 identifies the 10 W single-output series. Input code B selects 18–36 V DC; output code 24 selects 24 V DC.
Output voltage 24 V DC.
Output current range 42–420 mA. Maintain the specified minimum load.
Rated power and load limit 10 W. Observe the stated current limits and total power limit together.
Voltage accuracy ±2.0%.
Line regulation ±0.3%, measured from low to high input voltage at rated load.
Load regulation ±0.5%, measured over 10–100% 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 200 kHz minimum.

Input and protection

Input voltage 18–36 V DC; 2:1 input range.
Input current 16 mA at no load; 530 mA at full load, at the reference test conditions.
Typical efficiency 82% at the reference test conditions.
Input filter and protection Built-in EMI filter with a Pi network. An external input fuse is recommended.
Overload protection 160–250% of rated output power; hiccup mode with automatic recovery after the fault is removed.
Short-circuit protection All outputs are protected; hiccup mode with automatic recovery after the fault is removed.
Fault-duration limit Do not allow operation in overload or short circuit for more than 30 seconds.
Optional configurations The catalog lists 4:1 input-range and 3 kV isolation options. The stated model specifications are 2:1 and 1.5 kV; confirm any optional configuration with the manufacturer before selection.

Operating conditions and isolation

Operating temperature and cooling −25 to +71°C, with free-air convection and the specified derating.
Load derating Full load through 60°C, with load derating above 60°C. Apply the curve only within the specified working range up to 71°C.
Working humidity 20–90% RH, non-condensing.
Storage conditions −25 to +105°C; 10–95% RH, non-condensing.
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 ambient and 70% RH, unless otherwise stated.
Input-to-output withstand voltage 1.5 kV DC.
Isolation resistance 100 MΩ at 500 V DC, 25°C and 70% RH.

Mechanical design and installation

Dimensions 50.8 × 25.4 × 11.2 mm (L × W × H), as listed in the specification. The mechanical drawing labels the height 11.27 mm; check that drawing when allowing installation clearance.
Case and production testing Metal case with shielding on all six sides; 100% burn-in test. The catalog describes a low-cost design with an emphasis on reliability.
Pin assignment 1 +Vin; 2 −Vin; 3 +Vout; 4 No Pin; 5 −Vout. Check the bottom-view orientation before PCB assembly.
Mechanical drawing details Pin diameter: 1.0 mm (+0.2/−0.1 mm). Lead length: 5.8 mm. Use the bottom-view drawing for the unequal spacing and PCB orientation.
Unit weight reference 31.2 g per converter, explicitly stated in the catalog packing entry.

EMC and manufacturer references

Safety standards EAC TP TC 020/2011 approved.
Catalog approvals FCC, EAC, CE and UKCA are listed in the manufacturer’s features.
EMC emission BS EN/EN 55032 Class A, FCC Part 15 Class A, and EAC TP TC 020.
EMC immunity BS EN/EN 61000-4-2, -4-3, -4-4, -4-5, -4-6 and -4-8; light-industrial level, criterion A; EAC TP TC 020.
Reliability reference MTBF: 500 khrs minimum to MIL-HDBK-217F at 25°C. This is a reliability reference value.
Manufacturer warranty reference The catalog states a 2-year manufacturer warranty.

MEAN WELL SKE10 series: Isolated regulated single-output DC-DC converter - SKE10B-24

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SKE10B-24 — Isolated regulated single-output DC-DC converter MEAN WELL SKE10B-24 is an isolated, regulated single-output DC-DC converter with 24 V... Read more

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    Description

    SKE10B-24 — Isolated regulated single-output DC-DC converter

    MEAN WELL SKE10B-24 is an isolated, regulated single-output DC-DC converter with 24 V DC output and a specified current range of 42–420 mA. Its 2 × 1 inch package accepts 18–36 V DC and provides 1.5 kV DC input-to-output isolation. It uses a built-in EMI filter and a metal case with shielding on all six sides.

    Download MEAN WELL SKE10 Datasheet (PDF)

    Series section: PDF pages 3–4.

    Model and output specifications

    Complete model SKE10B-24
    Model selection SKE10 identifies the 10 W single-output series. Input code B selects 18–36 V DC; output code 24 selects 24 V DC.
    Output voltage 24 V DC.
    Output current range 42–420 mA. Maintain the specified minimum load.
    Rated power and load limit 10 W. Observe the stated current limits and total power limit together.
    Voltage accuracy ±2.0%.
    Line regulation ±0.3%, measured from low to high input voltage at rated load.
    Load regulation ±0.5%, measured over 10–100% 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 200 kHz minimum.

    Input and protection

    Input voltage 18–36 V DC; 2:1 input range.
    Input current 16 mA at no load; 530 mA at full load, at the reference test conditions.
    Typical efficiency 82% at the reference test conditions.
    Input filter and protection Built-in EMI filter with a Pi network. An external input fuse is recommended.
    Overload protection 160–250% of rated output power; hiccup mode with automatic recovery after the fault is removed.
    Short-circuit protection All outputs are protected; hiccup mode with automatic recovery after the fault is removed.
    Fault-duration limit Do not allow operation in overload or short circuit for more than 30 seconds.
    Optional configurations The catalog lists 4:1 input-range and 3 kV isolation options. The stated model specifications are 2:1 and 1.5 kV; confirm any optional configuration with the manufacturer before selection.

    Operating conditions and isolation

    Operating temperature and cooling −25 to +71°C, with free-air convection and the specified derating.
    Load derating Full load through 60°C, with load derating above 60°C. Apply the curve only within the specified working range up to 71°C.
    Working humidity 20–90% RH, non-condensing.
    Storage conditions −25 to +105°C; 10–95% RH, non-condensing.
    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 ambient and 70% RH, unless otherwise stated.
    Input-to-output withstand voltage 1.5 kV DC.
    Isolation resistance 100 MΩ at 500 V DC, 25°C and 70% RH.

    Mechanical design and installation

    Dimensions 50.8 × 25.4 × 11.2 mm (L × W × H), as listed in the specification. The mechanical drawing labels the height 11.27 mm; check that drawing when allowing installation clearance.
    Case and production testing Metal case with shielding on all six sides; 100% burn-in test. The catalog describes a low-cost design with an emphasis on reliability.
    Pin assignment 1 +Vin; 2 −Vin; 3 +Vout; 4 No Pin; 5 −Vout. Check the bottom-view orientation before PCB assembly.
    Mechanical drawing details Pin diameter: 1.0 mm (+0.2/−0.1 mm). Lead length: 5.8 mm. Use the bottom-view drawing for the unequal spacing and PCB orientation.
    Unit weight reference 31.2 g per converter, explicitly stated in the catalog packing entry.

    EMC and manufacturer references

    Safety standards EAC TP TC 020/2011 approved.
    Catalog approvals FCC, EAC, CE and UKCA are listed in the manufacturer’s features.
    EMC emission BS EN/EN 55032 Class A, FCC Part 15 Class A, and EAC TP TC 020.
    EMC immunity BS EN/EN 61000-4-2, -4-3, -4-4, -4-5, -4-6 and -4-8; light-industrial level, criterion A; EAC TP TC 020.
    Reliability reference MTBF: 500 khrs minimum to MIL-HDBK-217F at 25°C. This is a reliability reference value.
    Manufacturer warranty reference The catalog states a 2-year manufacturer warranty.

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