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A light, compact, highly reliable 125 W switched-mode power supply with peak power function for 10 second bursts of 120% rated output

Traco Power’s new TPI 125A-J Series 125 W open frame AC/DC switched-mode power supply, weighs just 156 g and is just over 1.2 by 2 by 3 inches in size – remarkably small and cost efficient. Along with a 3000 VAC reinforced isolation system, there is a peak power function which enables the unit to deliver up to 120% the rated power for up to 10 seconds, and the unit is designed to meet the ErP directive with a no load input power of <0.3 W. With a reliability of 790,000 hours (calculated MTBF) and a 3-year product warranty, it looks like such a unit will meet the design needs for end products with a long usage lifetime.

In terms of some of the more technical specifications, the series covers slightly adjustable output voltage options of 12, 15, 24, 36, and 48 VDC, all with a typical efficiency and switching frequency of 91-92% and 60 kHz respectively; the operating temperature is -40°C to +85°C. Traco Power do a few other options for similarly sized and specified products in different enclosure types, but at the 100 W power rating, the non-encapsulated options are the best bet for space- and weight-saving applications.

Traco Power is a long-standing company that does a variety of power solutions ranging from DC-DC converters, AC/DC PSUs, filter components (inductors and chokes), and much more, mainly catering to medical, railway and transport, industrial automation, and building automation applications.

(All images sourced from Traco Power)

Traco Power TPI 125A-J Series 125 W open frame AC/DC switched-mode power supply board

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