Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well SCWN03A-05 DC-DC Converter - 3W 9~18V DC in 5V out
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Description
Description
Features
| DIP24 package with industry-standard pinout |
| 2:1 wide input range |
| Operating temperature range -40~+90°C |
| No minimum load required |
| Comply to BS EN/EN55032 radiated Class A without additional components |
| High efficiency up to 87% |
| Protections: Short circuit(Continuous)/Overload/Input under voltage |
| 3KVDC I/O isolation |
| 3 years warranty |
General Specification
| Voltage set point accuracy | ±1.5% (max.) |
| Line regulation | ±0.5% (max.) |
| Load regulation | Single output models:±0.5%, Dual output models:±1% |
| Overload protection | 120%~250%, auto-recovery |
| Efficiency | 87% (typical) |
| Short circuit protection | Continuous, auto-recovery |
| I/O isolation voltage | I/P-O/P:3KVDC |
| I/O isolation resistance | I/P-O/P:100M Ohms / 500VDC / 25℃/ 70% RH |
| Isolation capacitance | 250pF (max.) |
| Working temperature | -40~+90°C |
| Storage temperature | -40°C to +105°C |
| EMC | Compliance to EN55032 class A, EN61000-4-2,3,4,5,6,8 |
| Temp. Coefficient | 0.03% / ℃ (0 ~ 85℃) |
| Dimension (LxWxH) (mm) | 31.8*20.3*10.2mm (1.25*0.8*0.4 inch) |
| Case material | Non-conductive black plastic(UL 94V-0 rated) |
Specifications
Specifications
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BrandMean Well
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SeriesSCWN 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 Voltage9V~18V
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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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Length3.18 cm
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Width2.03 cm
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Height1.02 cm
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Weight0.01 kg
File Downloads
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Payment & Security
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Frequently Asked Questions
Can I use the SCWN03A-05 for a low-power 5V embedded controller or industrial interface board?
Yes, this unit provides a constant 5V output with up to 0.6A output current. Its 3W rating makes it appropriate for lower-power 5V embedded and automation electronics within those limits.
Is the SCWN03A-05 a fit for 5V sensors, communication modules, or compact control electronics?
It can be used for regulated 5V loads when the total demand stays within 0.6A and 3W. That makes it relevant for small industrial, embedded, and automation devices that need a modest 5V supply.
Can this model convert a 9~18V source for 5V electronics in tight spaces?
Yes, the specified input range is 9~18V and the converter measures 31.8 × 20.3 × 10.2 mm. Those specs make it suitable for compact systems that need constant-voltage 5V output from that input range.
What is the difference between the SCWN03A-05 and the other SCWN03A outputs?
These sibling models all share a 3W rating and 9~18V input range, but the output ratings vary. SCWN03A-03 is 3.3V at 0.6A, SCWN03A-05 is 5V at 0.6A, SCWN03A-12 is 12V at 0.25A, and SCWN03A-15 is 15V at 0.2A.
Is the SCWN03A-05 suitable for outdoor environments or wide temperature swings?
The published operating temperature range is -40°C to +90°C, so it is specified for wide-temperature operation. No IP rating is included in the supplied specs, so outdoor suitability is not established here.
