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Mean Well SCW20B-12 DC-DC Converter - 20W 18~36V DC in 12V 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 Voltage12 Volt
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Rated Current1.66 Ampere
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Input Voltage0.025V~0.957V
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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-12 to run 12V industrial control devices from a 24V DC system?
Yes, it is designed for an 18~36V DC input and provides a regulated 12V constant-voltage output. It can deliver up to 1.67A with a 20W limit, which suits many lower-power control and automation devices that need 12V DC.
Is the SCW20B-12 suitable for 12V embedded electronics in industrial equipment?
It is appropriate for embedded systems that need a stable 12V rail from an 18~36V DC source. The converter supports up to 1.67A output current, so it is best matched to moderate 12V loads within the 20W rating.
Can this converter be used in transportation or mobile automation equipment with a nominal 24V DC supply?
It can be used where the available input remains within 18~36V DC and the electronics require 12V DC. Its compact 31.8 × 20.3 × 12.2 mm package and 0.0185 kg weight help in space-limited mobile or distributed equipment.
Would the SCW20B-12 work for instrumentation or monitoring devices that need regulated 12V power?
Yes, it can fit instrumentation, monitoring, and control loads that operate from 12V and stay within 1.67A. The constant-voltage output is intended for equipment that needs a stable 12V supply from an 18~36V DC source.
What are the differences between the SCW20B-12 and its SCW20B siblings?
Within the SCW20B series, the 05 version provides 5V at 4A, the 12 version provides 12V at 1.67A, and the 15 version provides 15V at 1.33A. All are 20W converters with the same 18~36V DC input range.
Can the SCW20B-12 be used in cold or high-heat installations?
The specified operating temperature range is -40°C to +80°C, which supports use across demanding temperature conditions. No IP rating is included in the listed specs, so the product data does not verify direct outdoor or water-exposed use.
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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-05 DC-DC Converter - 20W 18~36V DC in 5V out | 20W | 5V | 4A | 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 |
