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Mean Well SCW20B-05 DC-DC Converter - 20W 18~36V DC in 5V out
The SCW20B is a 20W Mean Well power converter (input range: 9~18Vdc, operating temperature: -40~+105℃).
Key Features
- ✓ Input voltage range: 9~18Vdc
- ✓ 1.5KVDC reinforced I/O isolation
- ✓ Wide operating temperature: -40~+105℃
- ✓ Protections: Short circuit / Overload
- ✓ Remote ON/OFF control
- ✓ Safety approvals: EAC TP TC 004
- ✓ 3 years warranty
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BrandMean Well
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SeriesSCW Series
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Power Rating20 Watt
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Output Voltage5 Volt
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Rated Current4 Ampere
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Input Voltage0.06V~0.969V
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No of Output1
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Dimming ControlNone
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Standards MetCE,EAC
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Operation ModeConstant Voltage
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Operating Temperature-40°C~80°C
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Warranty3 Year
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Length1.25 in
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Width0.8 in
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Height0.48 in
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Weight0.04 lb
::specification::
Frequently Asked Questions
Can I use the SCW20B-05 to power 5V embedded controllers from a 24V industrial DC bus?
Yes, this model accepts 18~36V DC input and provides a constant 5V output. With up to 4A output current and 20W total power, it fits many embedded controllers, single-board systems, and logic devices that need 5V from a nominal 24V DC source.
Is the SCW20B-05 suitable for supplying 5V power in PLC or automation cabinets?
It is suitable when the cabinet has an 18~36V DC source and the load requires regulated 5V DC. The 4A output capacity is useful for control electronics, communication modules, and other 5V devices within the 20W limit.
Can this converter support 5V industrial IT or networking hardware in a 24V system?
It can be used for 5V hardware as long as the source stays within 18~36V DC and the total load remains at or below 4A and 20W. That makes it relevant for compact industrial IT, communications, and monitoring devices that operate on 5V DC.
Is the SCW20B-05 a good fit for compact battery or vehicle-based control equipment with a 24V DC supply?
It can be a fit where the available DC source is in the 18~36V range and the electronics need a stable 5V rail. The small 31.8 × 20.3 × 12.2 mm size and 0.0185 kg weight make it easier to use in compact equipment.
How does the SCW20B-05 compare with the other SCW20B models?
The SCW20B-05 provides 5V at 4A, while the SCW20B-12 provides 12V at 1.67A and the SCW20B-15 provides 15V at 1.33A. All three models are rated at 20W and use the same 18~36V DC input range.
Is the SCW20B-05 intended for outdoor or wide-temperature use?
The operating temperature range is -40°C to +80°C, so the unit is specified for a broad temperature window. No IP rating is listed in the provided specs, so the data does not confirm suitability for direct outdoor exposure.
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Other SCW20 Models
8 other models| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well SCW20C-15 DC-DC Converter - 20W 36~75V DC in 15V out | 20W | 15V | 1.33A | Indoor | $23.87 | View |
| Mean Well SCW20C-12 DC-DC Converter - 20W 36~75V DC in 12V out | 20W | 12V | 1.66A | Indoor | $25.89 | View |
| Mean Well SCW20C-05 DC-DC Converter - 20W 36~75V DC in 5V out | 20W | 5V | 4A | Indoor | $23.87 | View |
| Mean Well SCW20B-15 DC-DC Converter - 20W 18~36V DC in 15V out | 20W | 15V | 1.33A | Indoor | $23.81 | View |
| Mean Well SCW20B-12 DC-DC Converter - 20W 18~36V DC in 12V out | 20W | 12V | 1.66A | Indoor | $23.81 | View |
| Mean Well SCW20A-15 DC-DC Converter - 20W 9~18V DC in 15V out | 20W | 15V | 1.33A | Indoor | $23.87 | View |
| Mean Well SCW20A-12 DC-DC Converter - 20W 9~18V DC in 12V out | 20W | 12V | 1.66A | Indoor | $23.87 | View |
| Mean Well SCW20A-05 DC-DC Converter - 20W 9~18V DC in 5V out | 20W | 5V | 4A | Indoor | $23.87 | View |
