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Mean Well DCWN03A-05 DC-DC Converter - 3W 9~18V DC in 5V 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 Voltage5 Volt
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Rated Current0.3 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
Payment methods
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Frequently Asked Questions
What is the DCWN03A-05 typically used for?
The Mean Well DCWN03A-05 is typically used for isolated low-power DC-DC conversion where a 9-18V DC input needs to be converted to a regulated 5V output. With 3W rated power and 0.3A output current, it is suited to compact embedded, control, and auxiliary power applications.
Is the DCWN03A-05 a good fit when the source DC input is 9-18V and the load needs 5V?
Yes. The DCWN03A-05 is specifically built for 9-18V DC input and 5V output service, so it is a fit when your system uses that input range and needs a regulated 5V rail within the unit's 3W and 0.3A rating.
Can the DCWN03A-05 be used in compact isolated power designs?
Yes. The published features include a DIP24 package, 3KVDC I/O isolation, and no minimum load requirement, which makes the DCWN03A-05 suitable for compact isolated auxiliary power designs.
Is the DCWN03A-05 suitable for harsh temperature environments?
It is rated for a working temperature range of -40°C to +90°C, which is broader than many basic low-power converters. It should still be used in a protected electronic environment rather than exposed outdoor conditions.
How does the DCWN03A-05 compare with other DCWN03 input-range variants?
The DCWN03A-05 provides 3W at 5V from a 9-18V input range. Other DCWN03 variants keep the same 3W class but change the input window, such as B versions at 18-36V, C versions at 36-72V, and E versions at 4.5-9V. The main choice is the source voltage available in your system.
