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We have your power supply needs covered with our broad range of switching power supplies, DC-DC converters and linear power modules. With thousands of off-the-shelf models and custom designs, we produce every power supply to the highest quality and performance standards.

Spanning a range from 0.5 to 200 Watts, our comprehensive DC-DC converter lineup includes a huge variety of output types, packaging options.

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Our switching power supplies feature universal input capability and a range of output options, PC card, Din Rail or chassis mounting and high-performance EMI input filter.

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Our AC-DC linear encapsulated power modules are UL, CE and CUL certified and feature a high isolation voltage option, short circuit protection and super low noise.

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Linear Power Supply Overview


Featured Product


HWB150 DC-DC Converters Are Approved For Railway Applications


Our HWB150 series of half-brick DC-DC converters features 2,250 Vdc input-to-output basic insulation, adjustable output, 4:1 wide input voltage range and high efficiency up to 91%. Housed in a 2.28 × 2.40 × 0.50-inch package, this model includes built-in overvoltage, overcurrent, overtemperature and short circuit protection. A terminal block option is available, as is the addition of heat sinks. The HWB150 meets many safety approvals for railway applications, including UL60950-1, EN60950-1, EN50155, 2006/95/EC, 2011/95/EC, 2004/108/EC, RoHS EU Directive 2011/65/EU and REACH.

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Polytron Devices designs, manufactures and distributes high-performance power supplies for a wide variety of applications, including:

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