AC/DC power supplies offer high densities up to 30W/in³

2nd November 2017

CUI Inc

Alice Matthews

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Electronic components manufacturer, CUI’s Power Group has announced the continued expansion of its portfolio of high density open frame AC/DC power supplies with the introduction of two new series. The VOF‑180 and VOF‑225A series, outputting 180 and 225W of continuous power respectively, feature high efficiencies up to 94% and high power densities up to 30W/in³.

Housed in compact, low profile packages measuring as small as 50x101x19mm (2x4x0.75"), these AC/DC power supplies provide space and energy saving benefits for IT equipment, industrial, and consumer electronics applications.

The 180 and 225W models deliver no-load power consumption less than 0.5W and are certified to the UL and EN 60950-1 safety standards, while further meeting EN 55032 B limits for conducted and radiated emissions. Both open frame series feature wide universal input voltage ranges of 80-264VAC and offer single output voltages from 12-58VDC. All models carry operating temperature ranges at full load from -40 to 50°C with forced air cooling, derating to 50% load at 70°C.

Additional features include a 12VDC/500mA fan output, power factor correction, and over voltage, over current, and short circuit protections. Calculated per Telcordia SR-332 Issue 3, the two new VOF series also have an MTBF of 3.37 million hours.