250W conduction-cooled PSU in miniature 3x5in package

8th February 2019
Posted By : Lanna Cooper
250W conduction-cooled PSU in miniature 3x5in package

 

Fidus Power now has available a series of miniature, 3x5in PSUs that can deliver 250W when conduction-cooled or 550W fan-cooled and are approved for industrial and medical use.

Using a two-level PCB construction, the new PSUs feature a baseplate with all the key semiconductors attached, allowing direct cooling into the system chassis, heatsink or cold-wall.

With efficiencies to 92% and the ability to remove heat to the outside world, minimal waste-heat is generated into the system and keeping internal ambient temperature rise to a minimum.

The PSUs have a 90-264VAC input range and six models are available with 12-8VDC output, plus a built in 12V fan rail. Both industrial and medical versions meet EN55032 level B; the industrial unit is also is certified to IEC/EN/UL/CSA60950-1, while the medical unit also meets medical 4th Edition EMC levels and is certified to IEC/EN/CSA60601-1 and ANSI/AAMI ES60601-1.

Says Mark Gibbons, Engineering Manager at Fidus Power: “Whether these units are conduction-cooled via a baseplate, convection or fan-cooled, they enable system designers to manage heat generated in the system effectively, thereby increasing product lifetime. Applications include broadcast, outdoor communications, medical devices, sealed enclosures and industrial.”

Free engineering samples are available on short lead-times and all models are backed by Fidus’ five year warranty.


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