High voltage capacitors operate at 500⁰C

High voltage capacitors operate at 500⁰C

New Products |
By Nick Flaherty

“This new high voltage capacitor technology offers a significant benefit to customers developing ultra-high temperature power electronics,” said Scott Forney, president of GA-EMS. “Often, capacitors on the market today are limited to only a few hundred volts, limiting their application. Others have properties that change significantly across different temperature ranges, resulting in variances in capacitor behavior. Our new high voltage, high temp capacitors offer more stable capacitance up to the maximum rating, making them useful across a broader application and temperature range.”

The capacitor technology design allows for a more compact form factor for applications requiring stacks of capacitors. In addition, the high voltage capacitors are particularly well suited for high temperature pulsed power applications to suppress voltage spikes that can damage semiconductor switches. The company isn’t providing details of the technology, and says it is shipping to initial specialist customers which is why there are no part numbers or geneal specifications. General commercial availability will start at the end of the year.

“The inherent properties of this technology allows for greater operational stability in circuits, helping improve system performance in high rep rate pulsed applications, as well as systems developed for other applications such as space exploration and down-hole oil recovery,” stated Mark Schneider, manager of capacitor research, development and engineering at GA-EMS. “We are currently fielding these high voltage, high temperature capacitors for specialized applications and customers, and expect commercial availability starting in the fourth quarter of 2018.”

The company has high voltage capacitors taht operate from 1KV to 2MV and up to 1MA.

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