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Mean Well RSDW20F-05 DC-DC Converter - 20W - 9~36V 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 Voltage9V~36V
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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 RSDW20F-05 to power 5V industrial controllers or USB-class embedded electronics from a 9-36V source?
This model provides a constant 5V output with a 20W power rating, so it fits many 5V industrial controllers and embedded electronics that stay within that 20W budget. The input range is 9-36VAC, making it suitable where the available source falls within that span.
Is the RSDW20F-05 appropriate for 5V PLC accessory or automation interface circuits?
It can be a fit for low-power automation interface circuits that require a regulated 5V rail and no more than 20W. The 4A output current makes it the 5V option in the series for higher-current low-voltage loads.
Can this converter be used in railway-related electronics with a 5V bus requirement?
Yes, the features list includes compliance with EN50155 and EN45545 railway standards, which is relevant for railway electronic systems. It also specifies 4000VDC isolation and an operating temperature range of -40°C to +85°C.
Is the RSDW20F-05 suitable for embedded designs where board height is limited?
The converter uses a 1U low-profile, half-encapsulated construction and measures 50.8 × 25.4 × 10.2 mm. That makes it a practical option for embedded designs that need a compact 5V, 20W conversion stage.
What are the differences between the RSDW20F-05 and the other RSDW20F versions?
The sibling models listed are RSDW20F-03 at 20W, 3.3V, 5.5A; RSDW20F-12 at 20W, 12V, 1.67A; and RSDW20F-15 at 20W, 15V, 1.33A. The RSDW20F-05 is the 5V member of the group at 20W with 4A output current.
Is the RSDW20F-05 rated for outdoor conditions?
The temperature range is -40°C to +85°C, so it is specified for broad temperature conditions. No IP rating is provided in the listed specs, so this product is not presented here as outdoor-rated or waterproof.
