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Mean Well SCWN06B-03 DC-DC Converter - 6W 18~36V DC in 3.3V out 1.2A
The SCWN06B is a 6W Mean Well power converter (input range: 9~18Vdc, operating temperature: -40~+100℃).
Key Features
- ✓ Input voltage range: 9~18Vdc
- ✓ 3KVDC reinforced I/O isolation
- ✓ Wide operating temperature: -40~+100℃
- ✓ Protections: Short circuit / Overload / Under voltage
- ✓ Safety approvals: EAC TP TC 004
- ✓ 3 years warranty
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BrandMean Well
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SeriesSCWN Series
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Power Rating6 Watt
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Output Voltage3.3 Volt
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Rated Current1.2 Ampere
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Input Voltage18V~36V
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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~90°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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Height0.4 in
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Weight0.03 lb
::specification::
Frequently Asked Questions
Can I use the SCWN06B-03 to derive 3.3V logic power from a 24V or 36V control system?
Yes, this model accepts 18-36VAC input and provides a constant-voltage 3.3V output, which aligns with many 24V and 36V control environments. It can deliver up to 1.2A with a 6W maximum output.
Is the SCWN06B-03 suitable for powering embedded processors or 3.3V communication electronics in automation equipment?
It can be a fit for low-power 3.3V embedded boards, control logic, or communications modules that stay within 1.2A and 6W. The 18-36VAC input range makes it more appropriate for higher-voltage control systems than the A-series input range.
Would the SCWN06B-03 work for 3.3V PLC-adjacent electronics inside an industrial panel?
It is suitable for 3.3V support electronics when the available source falls within 18-36VAC and the load remains within the 1.2A limit. The compact 31.8 x 20.3 x 10.2 mm size also supports use in dense panel layouts.
Can this converter support a low-power 3.3V monitoring or interface board from a higher-voltage DC bus?
It is designed for that type of low-power conversion, provided the source is in the 18-36VAC range and the output demand does not exceed 6W. Since the output is fixed at 3.3V constant voltage, it fits electronics built for a regulated 3.3V rail.
How does the SCWN06B-03 compare with the other SCWN06B models?
All SCWN06B versions share a 6W rating and the same 18-36VAC input range. The outputs differ by SKU: SCWN06B-03 is 3.3V at 1.2A, SCWN06B-05 is 5V at 1A, SCWN06B-12 is 12V at 0.5A, and SCWN06B-15 is 15V at 0.4A.
Is the SCWN06B-03 suitable for outdoor cabinets or wide-temperature installations?
The operating temperature range is listed as -40°C to +90°C, which supports use across a wide temperature span. No IP rating is shown, so the specs do not establish outdoor-exposed or water-resistant use.
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