Over 15 years experience of providing support of MEAN WELL Power Supplies
Description
Description
Remote ON/OFF control and trimming output (±10%)
3 years warranty
Key Features
- ✓DIP 1"x1" package with industry-standard pinout
- ✓Operating temperature range -40~+85°C
- ✓4:1 ultrawide input range
- ✓No minimum load required
- ✓Comply to BS EN/EN55032 radiated Class A without additional components
- ✓High efficiency up to 89%
- ✓Protection: Short circuit(continuous)/Overload/Over voltage/Input under voltage
- ✓1.5KVDC I/O isolation
- ✓Remote ON/OFF control and trimming output (±10%)
- ✓3 years warranty
Specifications
Specifications
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BrandMean Well
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SeriesSKMW Series
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Power Rating20 Watt
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Output Voltage3.3 Volt
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Rated Current4.5 Ampere
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Input Voltage9V~36V
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Standards MetCE
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Operation ModeConstant Voltage
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Operating Temperature-40°C~85°C
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Warranty3 Year
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Length2.54 cm
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Width2.54 cm
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Height1.02 cm
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Weight0.02 kg
File Downloads
File Downloads
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Payment & Security
Payment methods
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Frequently Asked Questions
Can I use the SKMW20F-03 to power 3.3V microcontrollers or logic boards from a 9-36VAC source?
Yes, this model is built for constant-voltage 3.3V output across a 9-36VAC input range. It can provide up to 4.5A with a 20W rating, which suits many 3.3V control and logic applications within that load limit.
Is the SKMW20F-03 suitable for embedded or IoT hardware that needs a regulated 3.3V rail?
It can be a strong fit for embedded electronics that require constant 3.3V power and do not exceed 4.5A or 20W. Its compact 25.4 × 25.4 × 10.2 mm size also helps where PCB area or enclosure volume is limited.
Can this converter support 3.3V industrial communications or processor modules in automation equipment?
Yes, provided the modules require a constant 3.3V supply and the total demand stays within 4.5A and 20W. The 9-36VAC input range gives more flexibility than narrower-input designs in mixed industrial or embedded systems.
Is the SKMW20F-03 a reasonable choice for low-voltage instrumentation electronics in compact devices?
It is designed for compact low-voltage conversion, with a body size of 25.4 × 25.4 × 10.2 mm and a weight of 0.018 kg. That makes it relevant for space-constrained devices needing a constant 3.3V output up to 4.5A.
How does the SKMW20F-03 compare with the other SKMW20F models?
The listed SKMW20F family members all share a 20W rating, but the outputs differ. The SKMW20F-03 is 3.3V at 4.5A, the SKMW20F-05 is 5V at 4A, the SKMW20F-12 is 12V at 1.67A, and the SKMW20F-15 is 15V at 1.33A. Model selection depends on the output voltage and current your load needs.
Can the SKMW20F-03 handle demanding temperatures, and is it suitable for outdoor conditions?
This model has a published operating temperature range of -40°C to +85°C, which is wider than many compact converters. The specs shown do not include an IP rating, so temperature capability is defined, but exposed outdoor use is not confirmed by the listed data.
Other SKMW20 Models
11 other models| Model | Power | Voltage | Current | IP Rating | |
|---|---|---|---|---|---|
| Mean Well SKMW20W8-15 20W DC-DC Converter 15VDC | — | — | — | Indoor | View |
| Mean Well SKMW20W8-12 20W DC-DC Converter 12VDC | — | — | — | Indoor | View |
| Mean Well SKMW20W8-05 20W DC-DC Converter 5VDC | — | — | — | Indoor | View |
| Mean Well SKMW20W8-03 20W DC-DC Converter 3.3VDC | — | — | — | Indoor | View |
| Mean Well SKMW20G-15 DC-DC Converter - 20W - 18~75V in 15V out | 20W | 15V | 1.33A | Indoor | View |
| Mean Well SKMW20G-12 DC-DC Converter - 20W - 18~75V in 12V out | 20W | 12V | 1.67A | Indoor | View |
| Mean Well SKMW20G-05 DC-DC Converter - 20W - 18~75V in 5V out | 20W | 5V | 4A | Indoor | View |
| Mean Well SKMW20G-03 DC-DC Converter - 20W - 18~75V in 3.3V out | 20W | 3.3V | 4.5A | Indoor | View |
| Mean Well SKMW20F-15 DC-DC Converter - 20W - 9~36V in 15V out | 20W | 15V | 1.33A | Indoor | View |
| Mean Well SKMW20F-12 DC-DC Converter - 20W - 9~36V in 12V out | 20W | 12V | 1.67A | Indoor | View |
| Mean Well SKMW20F-05 DC-DC Converter - 20W - 9~36V in 5V out | 20W | 5V | 4A | Indoor | View |
