Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well RSD-100D-5 DC-DC Converter - 100W - 67.2~143V in 5V out
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The RSD-100D is a 100W Mean Well power converter (input range: 16.8~31.2VDC).
Key Features
- ✓ Input voltage range: 16.8~31.2VDC
- ✓ 4KVDC reinforced I/O isolation
- ✓ Cooling by free air convection
- ✓ Protections: Overload / Over voltage / Over temperature / Reverse polarity
- ✓ Railway standards: EN45545-2 (fire), EN50155 / IEC60571, IEC61373 (shock & vibration) — S1 level
- ✓ Safety approvals: AS/NZS 62368-1, EAC TP TC 004
- ✓ 3 years warranty
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BrandMean Well
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SeriesRSD Series
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Power Rating100 Watt
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Output Voltage5 Volt
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Rated Current20 Ampere
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Input Voltage67.2V~143V
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No of Output1
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Dimming ControlNone
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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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Length6.34 in
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Width2.68 in
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Height1.42 in
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Weight1.24 lb
::specification::
Frequently Asked Questions
Can I use the RSD-100D-5 for 5V industrial single-board computers or embedded controllers?
Yes, if the equipment needs a constant 5V supply and the total load stays within 20A. This model provides up to 100W, so it suits higher-current 5V embedded electronics better than lower-current 12V or 24V outputs.
Is the RSD-100D-5 a fit for 5V USB-style logic, gateways, or communications electronics in an equipment enclosure?
It can fit 5V logic and communications hardware when the combined draw does not exceed 20A or 100W. The constant-voltage output makes it appropriate for electronics that expect a regulated 5V rail rather than a constant-current source.
Can this model support a 5V PLC accessory or industrial I/O subsystem?
It is suitable for 5V automation electronics that require stable constant-voltage power up to 20A. That gives more current headroom for dense 5V control loads than the 24V version, which is limited to 4.2A.
Is the RSD-100D-5 suitable for outdoor cabinets or temperature-extreme environments?
The specified operating range is -40°C to +85°C, which supports use across a wide temperature span. No IP rating is shown in the provided specs, so the product data does not confirm outdoor exposure resistance.
What are the main differences between the RSD-100D-5 and the other 100W RSD outputs?
Among the listed 100W-class outputs, the 5V models are 100W at 20A, the 12V models are 100.8W at 8.4A, and the 24V models are 100.8W at 4.2A. In the D versions, RSD-100D-5 is 100W 5V 20A, RSD-100D-12 is 100.8W 12V 8.4A, and RSD-100D-24 is 100.8W 24V 4.2A.
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Other RSD-100D Models
1 other model| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well RSD-100D-24 DC-DC Converter - 100.8W - 67.2~143V in 24V out | 100.8W | 24V | 4.2A | Indoor | $69.21 | View |




