Over 15 years experience of providing support of MEAN WELL Power Supplies
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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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 Voltage36V~72V
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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
What is the DCWN03C-12 typically used for?
The Mean Well DCWN03C-12 is typically used for isolated low-power DC-DC conversion from a 36-72V DC source to a 12V output. With 3W rated power and 0.125A output current, it is suited to compact systems that need an isolated 12V rail from a higher-voltage DC source.
Is the DCWN03C-12 a good fit when the source voltage is 36-72V and the load needs 12V?
Yes. The DCWN03C-12 is designed for exactly that conversion profile, provided the output demand remains within its 3W and 0.125A rating.
Can the DCWN03C-12 be used for compact isolated 12V support power?
Yes. Its published features include 3KVDC I/O isolation, a DIP24 package, and no minimum load requirement, which make it suitable for isolated low-power 12V auxiliary rails in compact designs.
Is the DCWN03C-12 suitable for broad temperature conditions?
It is rated for -40°C to +90°C working temperature, which supports use in demanding protected electronic environments. It should still be used inside equipment or similar protected installations rather than exposed outdoor use.
How does the DCWN03C-12 compare with the other DCWN03 12V options?
The DCWN03C-12 provides 3W at 12V from a 36-72V input range. Other 12V DCWN03 variants serve 9-18V, 18-36V, and 4.5-9V inputs. The choice mainly depends on the source-side voltage range available in your system.
