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Mean Well SCW20A-12 DC-DC Converter - 20W 9~18V DC in 12V out 1.666A

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SCW20A-12

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The SCW20A 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

Frequently Asked Questions

Can I use the SCW20A-12 to power a 12V PLC or industrial control module from a 9~18V DC source?

Yes, this converter is designed for a 9~18V DC input and provides a regulated 12V constant-voltage output. It can support loads up to 1.67A with a total power limit of 20W, which fits many PLC, relay, and control modules that require stable 12V DC.

Is the SCW20A-12 suitable for embedded electronics in 12V battery-based equipment?

It can be a fit for embedded systems that need a fixed 12V output while the available DC source stays within 9~18V. The unit provides up to 1.67A at 12V and is compact at 31.8 × 20.3 × 12.2 mm, which helps in space-constrained equipment.

Can this converter be used in automation panels that need isolated 12V power from a low-voltage DC bus?

It is suitable for automation and control equipment that runs from a 9~18V DC input and needs a constant 12V output. The 20W rating and 1.67A output make it appropriate for lower-power panel devices rather than higher-current 12V loads.

Is the SCW20A-12 a good choice for portable test equipment that runs on a nominal 12V DC supply?

It can work well in portable or compact equipment where the source remains within 9~18V DC and the output requirement is a stable 12V rail. Its small size of 31.8 × 20.3 × 12.2 mm and low weight of 0.0185 kg are useful in compact assemblies.

How does the SCW20A-12 compare with the other SCW20A models?

All SCW20A models are 20W converters in the same series, but the outputs differ. The SCW20A-05 provides 5V at 4A, the SCW20A-12 provides 12V at 1.67A, and the SCW20A-15 provides 15V at 1.33A.

Is the SCW20A-12 appropriate for outdoor or harsh-temperature environments?

The operating temperature range is -40°C to +80°C, so it can handle a wide temperature span. No IP rating is listed in the provided specs, so the product data does not establish suitability for direct outdoor or washdown exposure.

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Model	Power	Voltage	Current	IP Rating
Mean Well SCW20C-15 DC-DC Converter - 20W 36~75V DC in 15V out 1.333A	20W	15V	1.33A	Indoor	View
Mean Well SCW20C-12 DC-DC Converter - 20W 36~75V DC in 12V out 1.666A	20W	12V	1.66A	Indoor	View
Mean Well SCW20C-05 DC-DC Converter - 20W 36~75V DC in 5V out 4A	20W	5V	4A	Indoor	View
Mean Well SCW20B-15 DC-DC Converter - 20W 18~36V DC in 15V out 1.333A	20W	15V	1.33A	Indoor	View
Mean Well SCW20B-12 DC-DC Converter - 20W 18~36V DC in 12V out 1.666A	20W	12V	1.66A	Indoor	View
Mean Well SCW20B-05 DC-DC Converter - 20W 18~36V DC in 5V out 4A	20W	5V	4A	Indoor	View
Mean Well SCW20A-15 DC-DC Converter - 20W 9~18V DC in 15V out 1.333A	20W	15V	1.33A	Indoor	View
Mean Well SCW20A-05 DC-DC Converter - 20W 9~18V DC in 5V out 4A	20W	5V	4A	Indoor	View

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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

Mean Well SCW20A-12 DC-DC Converter - 20W 9~18V DC in 12V out 1.666A

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Frequently Asked Questions

Payment & Security

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Mean Well SCW20A-12 DC-DC Converter - 20W 9~18V DC in 12V out 1.666A

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