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

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New DC-DC Converter Meets Railway Safety Standards

Designed for use in railway applications, our 8-watt TWB8 single and dual output DC-DC converter has a regulated 4:1 ultra wide input range, 88 percent high efficiency and an output current up to 2.4 A, all in an industry standard 24 PIN DIP package. In addition, these devices are RoHS-compliant to EU, and meet all railway safety standards including UL60950-1, EN60950-1, IEC60950-1 and EN50155.

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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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