Innovative, proven, reliable & trusted.

Our capacitors have been used in F1 by Mercedes HPC.

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Innovative, proven, reliable & trusted.

Our capacitors are used by CERN on the large hadron collider (LHC).

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Innovative, proven, reliable & trusted.

Our capacitors help power all Eurostar cars.

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Innovative, proven, reliable & trusted.

Our capacitors are used in the Royal Navy's electric propulsion drives.

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Innovative, proven, reliable & trusted.

Our capacitors have kept trains running on London's Underground for 25 years.

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

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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.

Automotive & Avionics Sector

Automotive & Avionics

APIC has provided bespoke solutions for both civil and military aerospace as well as automotive and motor sport.
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Marine Propulsion Sector

Marine Propulsion

API Capacitors Ltd has supplied capacitors for use in a variety of demanding marine applications right from its early existence back in the 1980s.
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Medium Voltage Drives Sector

Medium Voltage Drives

Low inductance AC and DC types for thyristors, GTOs and IGCTs. Special snubbers for high power IGBTs.
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Power Conversion & Transmission Sector

Power Conversion & Transmission

Switched, variable capacitance polypropylene units and polycarbonate equivalents, all hermetically sealed.
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Pulsed Power, Plasma & Fusion Sector

Pulsed Power, Plasma & Fusion

Low inductance, high peak current designs for medium and high voltage discharge.
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Rail Traction Sector

Rail Traction

API Capacitors Ltd can pride itself on supplying capacitor products to many Train manufacturers, operators & maintenance depots across the world.
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