Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well SD-200B-12 DC-DC Converter - 200.4W - 19~36V in 12V out 16.7A
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The SD-200B is a 170W Mean Well DC-DC converter (input: 19~36VDC, operating temperature: -20~+60°C).
Key Features
- ✓ Input voltage: 19~36VDC
- ✓ Output voltage (max): 5V
- ✓ Rated output current: 34A
- ✓ I/O isolation: 1500V
- ✓ Operating temperature: -20~+60°C
- ✓ Safety certifications: UL
- ✓ 2 year warranty
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BrandMean Well
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SeriesSD Series
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Power Rating170 Watt
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Output Voltage5 Volt
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Rated Current34 Ampere
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Input Voltage19V~36V
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No of Output1
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Dimming ControlNon Dimmable
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Standards MetUL
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Operation ModeConstant Voltage
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Operating Temperature-20°C~60°C
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Warranty2 Year
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Length8.46 in
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Width4.53 in
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Height1.97 in
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Weight2.43 lb
::specification::
Frequently Asked Questions
Can I use the SD-200B-12 for high-current 5V logic or controller loads from a 24V source?
Based on the provided product specs, this unit delivers constant-voltage 5V output at up to 34A from a 19-36VAC input range. That makes it suitable for higher-current 5V industrial or embedded loads that need more capacity than a small 15W converter.
Is the SD-200B-12 appropriate for powering multiple 5V embedded devices on one rail?
It can be appropriate when the combined load remains within the listed 34A output current and 170W power rating. The 2:1 wide input range supports use on systems with 19-36VAC available upstream.
Would this model work for a 5V industrial computer or control backplane?
Yes, the provided specs point to higher-current 5V applications, with constant-voltage 5V output and up to 34A available. The listed 1.5~2KVAC isolation by models is also relevant for industrial equipment where isolation may be required.
How does SD-200B-12 compare with the other SD-200B models listed?
Based on the series list provided, SD-200B-12 is listed as 170W, 5V, 34A; SD-200B-24 is 200.4W, 12V, 16.7A; SD-200B-48 is 201.6W, 24V, 8.4A; and SD-200B-5 is 201.6W, 48V, 4.2A. The listed differences are output voltage, output current, and power across the SD-200B family entries.
Is the SD-200B-12 suitable for outdoor or temperature-variable enclosures?
The operating temperature range is specified as -20°C to +60°C, which supports use across a defined industrial temperature range. The provided specs do not include an IP rating, so ingress protection for outdoor exposure is not defined in the product data.
Payment & Security
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Other SD-200B Models
1 other model| Model | Power | Voltage | Current | IP Rating | Price | |
|---|---|---|---|---|---|---|
| Mean Well SD-200B-5 DC-DC Converter - 170W - 19~36V in 5V out 34A | 201.6W | 48V | 4.2A | Indoor | $82.90 | View |
Customer reviews
Reviewed by 1 customer across the SD series
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Not shipped.
Model: SD-50C-12Quantity: 1I was notified it was shipped the next day of ordering. Tracking shows no progress beyond label being created. I expected reasonable shipping time coming from Massachussetts. Maybe the seller neglects to give that information that it may be shipped from China. Don't be mislead!
Response from Power Supply Mall|2026-08-14Thank you for your feedback. Your order of 1 unit of the SD-50C-12 placed on August 3rd shipped via FedEx, tracking 383002421062, and was delivered to your location on August 13th. The delivery took 8 business days, which is longer than our typical timeframe. This model is less commonly stocked, so we had to arrange it from another warehouse. Most of our power supplies ship from our main location, but this particular model required sourcing from an alternate facility.
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