AC Voltage, Resonant Tank, Harmonic Filtering

Knowles' Cornell Dubilier brand is a leading designer and manufacturer of custom AC Voltage, Resonant Tank, and Harmonic Filtering Capacitors for industrial and military applications. Work with our engineers to develop a capacitor with the optimal electrical and mechanical properties for reliable service in these critical applications. Choose from a variety of metal or plastic packaging concepts with low inductance, high voltage terminations, and ultra-high rms current capability, with or without water cooling.

WFC-Series Capacitors

Knowles' Cornell Dubilier pioneered the development of water-cooled capacitors and has become the supplier of choice for many induction heating furnace manufacturers worldwide. With decades of design expertise and manufacturing excellence, Cornell Dubilier is one of the top manufacturers of water-cooled capacitors in the world. Learn More

WF-Series Capacitors

Low loss dielectric system designs, combined with an understanding of managing heat for critical applications, bring to market the WF-Series capacitor products. This air-cooled high voltage product accommodates both high voltage DC insulation, and high voltage AC RMS sine wave circuits. In power factor correction applications where the AC harmonic component exceeds the conventional rating, WF-Series capacitors are made to handle excessive RMS current harmonics provides resolve. Learn More

S-Series Capacitors

S–Series capacitors are a simple economic package for a variety of uses. With standard sizes of drawn metal housings to choose from, this oil-filled or dry resin medium package can provide a range of AC and DC voltages to store capacitance while utilizing an assortment of dielectric systems including extended film foil, metalized film, and hybrid combinations of each. Learn More

ER-Series Capacitors

ER-Series polypropylene DC-link film capacitors offer a distinct alternative to small round cans, both film and electrolytic, with high capacitance density power in an economical standard package. The rectangular aluminum package with various mounting bracket options enables the capacitor to be operated in a variety of orientations. Component inventory, integration, and installation are streamlined as a result. Learn More

TP-Series Capacitors

TP-Series capacitors are the ideal low voltage, high frequency, AC resonant capacitor solution. The low induction terminals allow for low resistant connections to printed circuit boards (PCBs) or laminate bus structures. Learn More

EC-Series Capacitors

EC-Series metalized polypropylene DC-link film capacitors offer large capacitance values, high Joule energy, and large current ratings in a single welded metal package. This dry resin-filled package can have a variety of low inductance terminal options, and brackets for mounting, and can also incorporate additional metal structures to accommodate additional components such as resistors, chill plates, etc. Learn More

E-Series Capacitors

E-Series polypropylene DC-link film capacitors offer an alternative to small round cans, both film and electrolytic, with high capacitance density in an economical standard dry resin-filled package. The rectangular painted aluminum package with various termination options allows for versatility in design layout. Learn More