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Reliable, Efficient, Ready

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 CSA certified and feature a high isolation voltage option, short circuit protection and super low noise.

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Featured Product

8-Watt DC-DC Converters For Railway Applications


Our TWB8 series of 8-watt single and dual output DC-DC converters are now designed to meet all EN50155 standards for railway applications. This series features an optional SMD package, output currents up to 2.4 A and 88 percent efficiency. Other features include a small 24 pin DIP package of 1.25” x 0.80” x 0.40”, a 4:1 ultra wide input voltage range and RoHS compliance.

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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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