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DC/DC Converter has operating life expectancy of 30 years.

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DC/DC Converter has operating life expectancy of 30 years.
DC/DC Converter has operating life expectancy of 30 years.

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December 18, 2013 - Designed without optocouplers in feedback loop to reduce component count and increase MTBF, 4.5 x 2 x 7.9 in. DHR 150-24 accepts any single input from 90–360 Vdc and delivers 24 Vdc 0.3 V. Headroom, full electronic protection, and 5,000 Vdc input to output isolation also promote operating life. Delivering full 150 W continuous output power over 0 to +70C range without any derating, converter features all heat generating components installed on aluminum heat-sink blocks.
Original Press Release

Absopulse Electronics Ltd
110 Walgreen Rd.
Carp, ON, K0A1L0

Opto-Less, Wide Input Range DC-DC Converter Extends Operating Life to 30 Years

The DHR 150-24 is the latest addition to ABSOPULSE’s line of wide input range, long-life power conversion products developed for rugged industrial environments.

The DC-DC converter is designed for an operating life of up to 30 years. By eliminating optocouplers in the feedback loop and significantly reducing component count, the MTBF of the unit is greatly improved over conventional designs. Large design headroom, full electronic protection and 5000Vdc input to output isolation also contribute to the long operating life of the unit.

All heat generating components are installed on aluminum heat-sink blocks which are cooled via baseplate to a heat-sinking surface and by natural convection. The DHR 150-24 delivers the full 150W continuous output power over an extended temperature range from 0C to +70C, with no derating. Conformal coating provides additional environmental protection. The unit has a total footprint of just 114 x 51 x 201 mm (4.5” x 2” x 7.9”).

The DHR 150-24 converter accepts any single dc-input from 90V to 360Vdc and delivers 24Vdc 0.3V. Hold up time is a 20ms at a nominal input voltage. Regulation is better than 1% from no load to full load across all line and load conditions. Custom input and output voltages are available on request.
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