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Mean Well RSDW08G-03 DC-DC Converter - 8W - 18~75V in 3.3V out
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Description
Description
Features
| Compliance with EN50155 railway standard |
| DIP 24 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 I/O isolation |
| Remote ON/OFF control |
| 3 years warranty |
General Specification
| Voltage Accuracy | ±1.5% |
| Overload Protection | 120~180% rated output power |
| Efficiency | 86% |
| 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) | 31.8*20.3*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 Rating8 Watt
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Output Voltage3.3 Volt
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Rated Current2 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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Length3.18 cm
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Width2.03 cm
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Height1.02 cm
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Weight0.02 kg
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Frequently Asked Questions
Can I use the RSDW08G-03 for 3.3V electronics on higher-voltage industrial or vehicle power systems?
This model is intended for constant-voltage 3.3V output applications up to 2A and 8W. Its listed 18-75V input range makes it more suitable for higher-voltage source systems than the lower-input versions in the same series.
Is the RSDW08G-03 suitable for embedded control boards that need isolated 3.3V power from an 18-75V source?
It can fit embedded boards needing a regulated 3.3V rail when the load remains within 2A and 8W. The converter also lists 4000VDC isolation, which is relevant for isolated conversion from an 18-75V input range.
Can this converter be used in railway electronics with a higher input voltage range?
The product features include compliance with EN50155 and EN45545 railway standards, which supports railway-related electronic applications. It also pairs that with a wide 18-75V input range and a 3.3V constant-voltage output.
Would the RSDW08G-03 work for compact telecom or automation subsystems that need 3.3V logic power?
It is relevant for compact subsystems that need 3.3V constant-voltage output within 8W and 2A. The body size of 31.8 × 20.3 × 10.2 mm and 1U low-profile construction help when installation space is limited.
Can the RSDW08G-03 be used in outdoor or temperature-stressed equipment?
The converter is specified for -40°C to +85°C operation, which supports use in equipment exposed to wide temperature swings. No IP rating is provided in the specs, so outdoor enclosure protection cannot be verified from the available data.
How does the RSDW08G-03 compare with the other RSDW08G models?
The RSDW08G siblings share the same 8W family and 18-75V input class, but their outputs differ: RSDW08G-03 is 3.3V at 2A, RSDW08G-05 is 5V at 1.6A, RSDW08G-12 is 12V at 666A, and RSDW08G-15 is 15V at 530A. This lets selection center on required output voltage and the listed current rating for each version.
