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Mean Well RSDW20F-12 DC-DC Converter - 20W - 9~36V in 12V 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 Voltage12 Volt
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Rated Current1.67 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-12 for 12V industrial control or automation equipment from a 9-36V source?
Yes, it is a constant-voltage 12V DC-DC converter rated at 20W, which suits low-power industrial control and automation electronics that need a regulated 12V rail. The 9-36VAC input range supports applications where the source is within that range.
Is the RSDW20F-12 suitable for 12V embedded systems in transportation or mobile equipment?
The listed EN50155 and EN45545 railway compliance makes it relevant for transport and mobile electronic systems where those standards apply. It also combines 4000VDC isolation with an operating temperature range of -40°C to +85°C.
Can this converter power low-power 12V monitoring or communications hardware?
It can be used for 12V monitoring or communications electronics as long as the load stays within its 20W rating. The 1.67A output current defines its fit more for low-power 12V electronics than for heavier 12V loads.
Is the RSDW20F-12 a good option when space is limited inside an enclosure?
Its 50.8 × 25.4 × 10.2 mm dimensions, 1U low profile, and half-encapsulated design support use in compact enclosures. At 0.035 kg, it is also a lightweight option for dense electronic assemblies.
How does the RSDW20F-12 compare with other RSDW20F output voltages?
The listed siblings are RSDW20F-03 at 20W, 3.3V, 5.5A; RSDW20F-05 at 20W, 5V, 4A; and RSDW20F-15 at 20W, 15V, 1.33A. The RSDW20F-12 version provides 12V output at 20W with 1.67A output current.
Can the RSDW20F-12 be used outdoors or in severe temperatures?
The operating temperature range is -40°C to +85°C, so the temperature spec supports severe hot and cold conditions. No IP rating is listed in the provided specifications, so it is not described here as an outdoor or waterproof converter.
