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exciting, innovative, proven, reliable and trusted.

API Capacitors is the UK’s leading designer and manufacturer of high quality power capacitors for power electronic applications.

Our extensive product range of filter, snubber and energy storage capacitors services the professional markets of traction, industrial drives, power conditioning and avionics, together with discharge capacitors for medical, plasma and pulsed power applications.

The strength of the company lies in working alongside its customers, tailoring the product correctly to its specific application so it performs exactly as required with total reliability.

We know capacitors. Shouldn’t you get to know us?


DC Capacitors

DC Capacitors>


AC Capacitors

AC Capacitors>


Track Signal Capacitors

Track Capacitors>


Snubber Capacitors

Snubber Capacitors>


Energy Storage Capacitors

Energy Capacitors>