EFC Wesco
contact us 203-755-5629

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Your Source for Precision Film Capacitors
EFC/Wesco is dedicated to being the most reliable and responsive film capacitor manufacturer in the world.  We are your leading source for custom and tight-tolerance film and power capacitors.  Our experienced management and engineering staff, along with our modern facility, dedication to total quality management, ISO 9001:2015 certification, and on-time delivery are catalysts to achieve this goal.

We offer a complete line of VDE, ENEC, and UL recognized EMI suppression capacitors.  The EMI suppression films are “X” and “Y” class radial lead polypropylene box style, with voltage ratings to 440 VAC and capacitance values to 10.0 µF.  Our standard film line offers epoxy dipped radial lead, IGBT snubbers, RC networks, and feed-thru designs.  Other standards include a wide variety of metallized and foil versions of polyester, polypropylene, polyphenylene sulfide, as well as high-quality polystyrene capacitors with excellent capacitance stability.  We offer a wide variety of component package styles to choose from.  Custom configurations are available upon request.

Customer Service is Our Attitude

At EFC/Wesco, customer service is not a department, it’s our attitude.  Our personalized customer service is designed to create meaningful one-on-one relationships with our customers.  All of us at EFC/Wesco look forward to quoting your capacitor needs and the opportunity of doing business with you in the near future.

Our Facility

Our modern facility, comprised of high-speed winding equipment and other state-of-the-art machinery, provides the industry with a high quality competitively priced product and a capability to solve your special capacitor problems in a timely fashion.


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41 Interstate Lane   |   Waterbury, CT 06705   |   USA   |   Phone: 01-1-203-755-5629   |   Fax: 01-1-203-755-0659   |   sales@filmcapacitors.com

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