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Mean Well DCWN03E-12 DC-DC Converter - 3W 9~18V DC in 12V out
Description
Description
The DCWN03A 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 Voltage12 Volt
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Rated Current0.12 Ampere
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Input Voltage9V~18V
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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
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Frequently Asked Questions
What is the DCWN03A-12 typically used for?
The Mean Well DCWN03A-12 is typically used for isolated low-power DC-DC conversion where a 9-18V DC input needs to be converted to 12V output. With 3W rated power and 0.125A output current, it is suited to compact control, signal, and auxiliary power applications that need an isolated 12V rail.
Is the DCWN03A-12 a good fit when the source DC input is 9-18V and the load needs 12V?
Yes. The DCWN03A-12 is intended for 9-18V input systems that need a regulated 12V output, provided the load remains within the converter's 3W and 0.125A rating.
Can the DCWN03A-12 be used in compact isolated auxiliary circuits?
Yes. Its published features include a DIP24 package, 3KVDC I/O isolation, and no minimum load requirement, which make it suitable for compact isolated auxiliary power designs where a 12V rail is needed.
Is the DCWN03A-12 suitable for wide operating temperature conditions?
It is rated for -40°C to +90°C working temperature, which supports use in demanding electronic environments. It should still be installed in a protected equipment context rather than directly exposed outdoor conditions.
How does the DCWN03A-12 compare with other DCWN03 12V models?
The DCWN03A-12 provides 3W at 12V from a 9-18V input range. Other 12V versions in the same family shift the input range, such as DCWN03B-12 at 18-36V, DCWN03C-12 at 36-72V, and DCWN03E-12 at 4.5-9V. The key difference is which input source range your system uses.
