Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well SCWN03B-05 DC-DC Converter - 3W 18~36V 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 Voltage18V~36V
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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
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Payment & Security
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Frequently Asked Questions
Can I use the SCWN03B-05 for 5V PLC interface or controller electronics?
Yes, if the electronics need a constant 5V output and stay within 0.6A. This converter is rated 3W and is designed for an 18-36VAC input range, which suits low-power 5V control circuits.
Is the SCWN03B-05 a good option for 5V embedded processors or communication modules?
It fits 5V embedded loads that require regulated constant voltage and draw no more than 0.6A. The 3W rating and compact 31.8 × 20.3 × 10.2 mm size make it appropriate for small electronic assemblies.
Can this model power 5V industrial monitoring or data-acquisition boards?
It can be used for 5V monitoring or data-acquisition boards as long as the load stays within 0.6A and 3W. The source side must also match the specified 18-36VAC input range.
How does the SCWN03B-05 differ from the other SCWN03B versions?
The SCWN03B-05 provides 5V output at 0.6A with a 3W power rating. Its siblings are SCWN03B-03 at 3.3V and 0.6A, SCWN03B-12 at 12V and 0.25A, and SCWN03B-15 at 15V and 0.2A; all are 3W models.
Can the SCWN03B-05 be used in high-heat or low-temperature industrial locations?
The converter is specified for -40°C to +90°C operation, so it is rated for wide temperature conditions. No IP rating is included in the listed specs, so indoor or exposed outdoor suitability is not stated.
