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Mean Well DCWN03B-05 DC-DC Converter - 3W 18~36V DC in 5V out
Description
Description
The DCWN03B is a 3W Mean Well. power converter. and an input range of 4.5~9Vdc.
Key Features
- ✓ Input voltage range: 4.5~9Vdc
- ✓ 3KVDC reinforced I/O isolation
- ✓ Protections: Short circuit / Overload / Under voltage
- ✓ Safety approvals: EAC TP TC 004
- ✓ 3 years warranty
Specifications
Specifications
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BrandMean Well
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SeriesDCWN Series
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Power Rating3 Watt
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Output Voltage5 Volt
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Rated Current0.3 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
File Downloads
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Payment & Security
Payment methods
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Frequently Asked Questions
What is the DCWN03B-05 typically used for?
The Mean Well DCWN03B-05 is typically used for isolated low-power DC-DC conversion where an 18-36V DC source needs to provide a regulated 5V output. With 3W rated power and 0.3A output current, it is suited to compact embedded, telecom, and control applications using an 18-36V input rail.
Is the DCWN03B-05 a good fit when the source voltage is 18-36V and the load needs 5V?
Yes. The DCWN03B-05 is designed for exactly that conversion range, provided the load stays within the converter's 3W and 0.3A output rating.
Can the DCWN03B-05 be used in compact isolated electronics?
Yes. The published features include a compact DIP24 package, 3KVDC I/O isolation, and no minimum load requirement, which support use in compact isolated power designs needing a 5V auxiliary rail.
What kind of operating environment is the DCWN03B-05 rated for?
The DCWN03B-05 is rated for -40°C to +90°C working temperature, which supports use in demanding electronic environments. It is still intended for protected equipment use rather than direct outdoor exposure.
How does the DCWN03B-05 compare with other 5V DCWN03 models?
The DCWN03B-05 provides 3W at 5V from an 18-36V input range. Other 5V DCWN03 variants shift the input window, such as A at 9-18V, C at 36-72V, and E at 4.5-9V. The best choice depends on the source voltage range available in your design.
