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Mean Well RSDW20G-05 DC-DC Converter - 20W - 18~75V in 5V out
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Description
Description
Features
| Compliance with EN50155 railway standard |
| DIP 2" x 1" package with standard pinout |
| 4:1 wide input range |
| Wide operating temperature range -40~+85°C |
| No minimum load required |
| Fully encapsulated |
| Protections: Short circuit(Continuous)/Overload/Over voltage/Input under voltage |
| 1.5KVDC, 3KVDC I/O isolation by models |
| Remote ON/OFF control |
| 3 years warranty |
General Specification
| Voltage Accuracy | ±1.5% |
| Overload Protection | 110~160% rated output power |
| Efficiency | 90% |
| Short circuit protection | Continuous, automatic recovery |
| Working temperature | -40°C to +85°C |
| EMC | Compliance to EN55032 class A, EN61000-4-2,3,4,5,6 |
| Temp. Coefficient | 0.03% / ℃ (0 ~ 71℃) |
| Dimension (LxWxH) (mm) | 50.8*25.4*10.2mm |
| Potting material | Non-conductive black plastic |
Specifications
Specifications
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BrandMean Well
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SeriesRSD 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 Voltage18V~75V
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Standards MetCB,CE,EAC,EMC,RCM
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Operation ModeConstant Voltage
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Operating Temperature-40°C~85°C
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Warranty3 Year
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Length5.08 cm
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Width2.54 cm
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Height1.02 cm
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Weight0.04 kg
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Frequently Asked Questions
Can I use the RSDW20G-05 to power 5V industrial controllers or embedded boards?
Yes, it provides a constant 5V output rated for up to 4A, with 20W total output power. That makes it suitable for 5V industrial controllers, embedded boards, and automation electronics that remain within those electrical limits.
Is the RSDW20G-05 appropriate for converting higher-voltage input down to 5V for automation electronics?
Yes, this converter accepts 18-75VAC input and regulates it to 5V output. It is a fit for automation and embedded systems that need a 5V rail from a source within that input range and require no more than 4A or 20W.
Can this model support 5V communication or interface modules in industrial equipment?
Yes, the 5V constant-voltage output and 4A current rating make it suitable for 5V communication, interface, or control modules used in industrial equipment. The 4000VDC isolation is also relevant where electrical separation is important between input and output sections.
Is the RSDW20G-05 useful in rail-related 5V control applications?
It can be used in railway-related electronic systems because the listed features include compliance with EN50155 and EN45545 railway standards. Its wide 18-75VAC input range and compact 1U low-profile form factor also suit mobile or space-constrained control electronics.
How does the RSDW20G-05 compare with other models in the same series?
All listed RSDW20G units are 20W converters, but the output ratings differ by model. The RSDW20G-03 is 3.3V at 5.5A, the RSDW20G-05 is 5V at 4A, the RSDW20G-12 is 12V at 1.67A, and the RSDW20G-15 is 15V at 1.33A.
Is the RSDW20G-05 suitable for outdoor or temperature-extreme environments?
Its specified operating temperature range is -40°C to +85°C, so the temperature rating is broad. The provided data does not include an IP rating, so weather, dust, or water resistance is not defined in these specs.
