Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well DCWN03E-12 DC-DC Converter - 3W 4.5~9V DC in 12V out 125mA
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Description
Description
The DCWN03E 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 Voltage4.5V~9V
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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
File Downloads
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Payment & Security
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Frequently Asked Questions
What is the DCWN03E-12 typically used for?
The Mean Well DCWN03E-12 is typically used as a compact isolated DC-DC converter when a 4.5-9V DC input needs to be converted to a regulated 12V output. With 3W of rated power and 0.125A output current, it suits low-power 12V control, signal, and auxiliary supply applications.
Is the DCWN03E-12 a good fit for low-power 12V rails from a low-voltage DC source?
Yes. The DCWN03E-12 converts a 4.5-9V DC input to a regulated 12V output at up to 0.125A, making it appropriate for low-power 12V circuits when the load stays within the converter's 3W rating.
What makes the DCWN03E-12 useful in compact isolated designs?
The DCWN03E-12 combines a DIP24 package, no minimum load requirement, and 3KVDC I/O isolation. That makes it suitable for compact designs where isolation and small footprint matter as much as output regulation.
Is the DCWN03E-12 suitable for wide operating temperatures?
Yes. The published working temperature range is -40°C to +90°C, which supports use in a broad range of industrial and embedded environments when the rest of the design remains within specification.
How does the DCWN03E-12 compare with nearby DCWN models?
The DCWN03E-12 is the 12V output option in the 3W 03E group, while the DCWN03E-05 and DCWN03E-15 provide 5V and 15V outputs from the same 4.5-9V input class. The 06A and 06B models step up to 6W output capacity for higher load demand.
