Over 15 years experience of providing support of MEAN WELL Power Supplies
Description
Description
The SCW03B is a 3W Mean Well power converter.
Key Features
- ✓ 1KVDC reinforced I/O isolation
- ✓ Protections: Short circuit / Overload
- ✓ 3 years warranty
Specifications
Specifications
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BrandMean Well
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SeriesSCW Series
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Power Rating3 Watt
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Output Voltage5 Volt
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Rated Current0.6 Ampere
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Input Voltage18V~36V
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Standards MetEAC
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Operation ModeConstant Voltage
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Operating Temperature-40°C~71°C
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Warranty2 Year
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Length3.18 cm
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Width2.03 cm
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Height1.22 cm
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Weight0.02 kg
File Downloads
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Payment & Security
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Frequently Asked Questions
What is the main function of the Mean Well SCW03B-05?
The SCW03B-05 is a 3W DC-DC converter designed to take an 18 to 36V DC input and provide a regulated 5V DC output. It is intended for applications that need isolated DC power conversion in a compact DIP24 package.
What are the input and output ratings for this model?
This model accepts a 2:1 input range of 18 to 36V DC and delivers a 5V DC output. Its rated output current is 0.6A, with a total power rating of 3W.
What protections are included in the SCW03B-05?
The SCW03B-05 includes continuous short circuit protection, overload protection, and input under-voltage protection. These built-in protections help support reliable operation in industrial and embedded power designs.
Is the SCW03B-05 suitable for demanding temperature environments?
Yes, this converter is specified for operation from -40°C up to +90°C, with the provided product data also listing a maximum temperature of 71°C. Buyers should confirm the intended operating conditions against the full datasheet limits for their application.
Does this converter require a minimum load to regulate properly?
No, the SCW03B-05 is specified with no minimum load requirement. That makes it useful in systems where load conditions may vary or remain very light during standby operation.
What makes the SCW03B-05 a practical choice for compact OEM designs?
This model uses an industry-standard DIP24 package and offers 3KVDC input-to-output isolation, which can be important in space-constrained equipment. It also delivers high efficiency up to 87%, helping reduce wasted power in low-power DC conversion applications.
Other SCW03 Models
8 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well SCW03C-15 DC-DC Converter - 3W 36~72V DC in 15V out | 3W | 15V | 0.2A | — | View |
| Mean Well SCW03C-12 DC-DC Converter - 3W 36~72V DC in 12V out | 3W | 12V | 0.25A | — | View |
| Mean Well SCW03C-05 DC-DC Converter - 3W 36~72V DC in 5V out | 3W | 5V | 0.6A | — | View |
| Mean Well SCW03B-15 DC-DC Converter - 3W 18~36V DC in 15V out | 3W | 15V | 0.2A | — | View |
| Mean Well SCW03B-12 DC-DC Converter - 3W 18~36V DC in 12V out 250mA | 3W | 12V | 0.25A | Indoor | View |
| Mean Well SCW03A-15 DC-DC Converter - 3W 9~18V DC in 15V out | 3W | 15V | 0.2A | — | View |
| Mean Well SCW03A-12 DC-DC Converter - 3W 9~18V DC in 12V out | 3W | 12V | 0.25A | — | View |
| Mean Well SCW03A-05 DC-DC Converter - 3W 9~18V DC in 5V out 600mA | 3W | 5V | 0.6A | Indoor | View |




