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Mean Well SDM30-48S12 DC-DC Converter - 35W - 36~72V in 12V out
Description
Description
Features
- Wide 2:1 DC input range
- In/out capacitance 1000pF
- Protections: Short circuit / Over current / Over voltage / Over temperature
- 1000 DC I/O isolation for D/D
- Built-in remote ON/OFF control
- Cooling by free air convection
- 100% full load burn-in test
- Fixed switching frequency at 225KHz
- Low cost
- High relibility
- 2 years warranty
Specifications
Specifications
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BrandMean Well
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SeriesSDM Series
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Power Rating35 Watt
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Output Voltage12 Volt
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Rated Current2.5 Ampere
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Input Voltage36V~72V
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No of Output2
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Dimming ControlNone
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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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Length2 in
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Width2 in
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Height0.63 in
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Weight0.22 lb
File Downloads
File Downloads
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Payment & Security
Payment methods
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Frequently Asked Questions
Can I use the SDM30-48S12 in a 48V industrial control cabinet to run 12V sensors or auxiliaries?
Yes, this model is built for a 36~72V input range and provides a constant 12V output. Its 35W rating and 2.5A output current fit moderate 12V control loads in industrial or automation enclosures. The compact 50.8 × 50.8 × 16.0 mm size also suits space-limited panels.
Is the SDM30-48S12 a good fit for telecom or embedded systems that need regulated 12V from a higher-voltage bus?
It can fit systems that have a 36~72V source and require a constant 12V rail. With 35W available at up to 2.5A, it is better suited to lower-power embedded or auxiliary 12V sections rather than larger 12V loads. Buyers should size the downstream load to stay within the 35W and 2.5A limits.
Can this converter power 12V PLC accessories or interface modules from a 36~72V supply?
Yes, that is a reasonable use case when the accessories need a constant 12V supply and the total draw stays within 2.5A. The unit is designed for 36~72V input and operates across -25°C to +85°C, which aligns with many industrial enclosure environments. Its constant-voltage output is intended for equipment that expects a regulated 12V source.
What is the difference between the SDM30-48S12 and the other SDM30 36~72V input models?
Within the 36~72V input group, the SDM30-48S3 is 16.5W at 3.3V and 5A, the SDM30-48S5 is 25W at 5V and 5A, this SDM30-48S12 is 35W at 12V and 2.5A, and the SDM30-48S15 is 30W at 15V and 2A. Across the broader series, the 12V-input models are SDM30-12S3 at 16.5W, SDM30-12S5 at 25W, SDM30-12S12 at 25.2W, and SDM30-12S15 at 25.5W, while the 24V-input models are SDM30-24S3 at 16.5W, SDM30-24S5 at 25W, SDM30-24S12 at 30W, and SDM30-24S15 at 30W. The main selection points are input range, output voltage, output current, and total wattage.
Is the SDM30-48S12 suitable for outdoor or harsh-environment use?
The published specs show an operating temperature range of -25°C to +85°C, which supports wide-temperature operation. The specs provided do not list an IP rating, so it should be treated as a converter for protected enclosures rather than direct outdoor exposure. For exposed locations, buyers typically look for a stated IP rating in addition to the temperature range.
