Over 15 years experience of providing support of MEAN WELL Power Supplies
Mean Well SDM30-12S3 DC-DC Converter - 16.5W - 9.2~18V in 3.3V out
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Description
Description
The SDM30 is a 30W Mean Well power converter (operating temperature: -25~+85℃).
Key Features
- ✓ 1KVDC reinforced I/O isolation
- ✓ Cooling by free air convection
- ✓ Wide operating temperature: -25~+85℃
- ✓ Protections: Short circuit / Overload / Over voltage
- ✓ Remote ON/OFF control
- ✓ 3 years warranty
Specifications
Specifications
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BrandMean Well
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SeriesSDM Series
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Power Rating16.5 Watt
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Output Voltage3.3 Volt
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Rated Current5 Ampere
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Input Voltage9.2V~18V
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Standards MetCE,EMC
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Operation ModeConstant Voltage
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Operating Temperature-25°C~85°C
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Warranty2 Year
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Length5.08 cm
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Width5.08 cm
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Height1.6 cm
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Weight0.1 kg
File Downloads
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Payment & Security
Payment methods
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Frequently Asked Questions
Can I use the SDM30-12S3 to power a 3.3V logic board or embedded controller from a 9.2-18V source?
Yes, this model is designed for constant-voltage 3.3V loads when the available input is within 9.2-18V. It can deliver up to 5A, so the connected 3.3V electronics need to stay within that output current and the 16.5W rating.
Is the SDM30-12S3 a fit for 3.3V communication modules, industrial SBCs, or processor boards?
It is a practical match for 3.3V embedded and interface hardware that needs a regulated constant-voltage rail. The 5A output makes it more suitable for current-hungry 3.3V electronics than a lower-current converter would be.
Can this converter support several 3.3V devices on one rail in an automation system?
It can, provided the combined 3.3V load stays within 5A total. That makes it usable for grouped 3.3V logic, communication, and controller loads in compact industrial or embedded systems.
Is the SDM30-12S3 suitable for outdoor equipment or wide-temperature enclosures?
The rated operating range is -25°C to +85°C, so it covers a broad temperature window for enclosed equipment. No IP rating is listed, so weather, dust, and water exposure need to be managed at the enclosure level.
How does the SDM30-12S3 compare with the other SDM30 converters listed here?
For the listed 12V-input models, SDM30-12S3 is 16.5W, 3.3V, 5A; SDM30-12S5 is 25W, 5V, 5A; SDM30-12S12 is 25.2W, 12V, 2.1A; and SDM30-12S15 is 25.5W, 15V, 1.7A. The other listed variants are SDM30-24S12 at 30W, 12V, 2.5A; SDM30-24S15 at 30W, 15V, 2A; SDM30-24S3 at 16.5W, 3.3V, 5A; SDM30-24S5 at 25W, 5V, 5A; SDM30-48S12 at 35W, 12V, 2.5A; SDM30-48S15 at 30W, 15V, 2A; SDM30-48S3 at 16.5W, 3.3V, 5A; and SDM30-48S5 at 25W, 5V, 5A.
