Over 15 years experience of providing support of MEAN WELL Power Supplies
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Mean Well MDS20A-05 DC-DC Converter - 20W - 9~18V in 5V out
Description
Description
Features
| DIP 2"x1" package with international standard pinout |
| 2:1 wide input range |
| Low patient leakage current <5µA |
| Wide operating temperature range -40~+90℃ |
| Medical safety approved(2xMOPP) according to IEC60601-1 |
| No minimum load required |
| Protections: Short circuit(Continuous)/Overload/Input under voltage |
| 4000VAC high I/O isolation(Reinforced isolation) |
| 3 years warranty |
General Specification
| Voltage accuracy | ±1% |
| Efficiency | 90% |
| Short circuit protection | Continuous, automatic recovery |
| Working temperature | -40°C to +90°C |
| Temp. Coefficient | 0.03% / ℃ (0 ~ 70℃) |
| Dimension (LxWxH) (mm) | 50.8*25.4*12mm (2*1*0.47 inch) |
| Packing | 30g; 18pcs/per tube, 432pcs/24 tube max./carton |
Specifications
Specifications
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BrandMean Well
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SeriesMDS Series
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Power Rating20 Watt
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Output Voltage5 Volt
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Rated Current4 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,EMC
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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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Length2 in
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Width1 in
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Height0.47 in
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Weight0.07 lb
File Downloads
File Downloads
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Payment & Security
Payment methods
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Frequently Asked Questions
Can I use the MDS20A-05 to derive 5V logic power from a 12V or 24V-class mobile battery system?
It is designed for a 9-18V input range, so it fits 12V-class DC systems but not inputs above 18V. The output is 5V constant voltage with a 20W rating and 4A output current. That makes it appropriate for heavier 5V embedded, controller, or communication loads within those limits.
Is the MDS20A-05 a good choice for powering 5V embedded computers or industrial interface modules?
Yes, this model provides a regulated 5V output and offers up to 20W, which is useful for 5V embedded electronics and interface hardware that draw more current than small signal converters can provide. The rated output current is 4A. It is intended for systems with a 9-18V input source.
Can this converter support 5V loads in vehicle, telecom, or automation cabinets with limited space?
Its 50.8 × 25.4 × 12.0 mm size and 0.03 kg weight suit compact electronics assemblies and tight enclosure layouts. Electrically, it converts a 9-18V input to a 5V constant-voltage output at up to 20W. That profile matches space-constrained low-voltage subsystems better than higher-power chassis supplies.
What is the difference between the MDS20A-05 and the other MDS20A versions?
The MDS20A family keeps the same 20W power class but changes the output voltage and rated current. The MDS20A-05 is 5V at 4A, the MDS20A-12 is 12V at 1.67A, the MDS20A-15 is 15V at 1.33A, and the MDS20A-24 is 24V at 833A. This model is the 5V option in that series.
Can the MDS20A-05 be used in outdoor equipment or high-temperature enclosures?
The operating temperature range is -40°C to +90°C, which supports use in equipment exposed to wide ambient swings. No IP rating is listed in the provided specs, so it is better suited to protected indoor panels, cabinets, or sealed enclosures than direct outdoor exposure. The temperature rating does not by itself indicate weather resistance.
