Global Source for World-Class Capacitors

Illinois Capacitor is a leading manufacturer of miniature capacitors for electronics, lighting, energy and other markets.  These products include: aluminum electrolytic, metalized film, power film, supercapacitors (EDLC capacitors), supercapacitor modules and other types.  IC is one of the world’s most experienced capacitor manufacturers, well known for its benchmark quality, guaranteed delivery and responsive engineering support. learn more

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What's New? 

Here's the latest new product news from IC.

What's Old? 

What was IC doing 75 years ago?

 

Highlights

Illinois Capacitor LMX Capacitors
NEW CUSTOM SUPERCAPACITOR 
MODULES OFFER UNLIMITED CAPACITANCE

Illinois Capacitor can custom design and build supercapacitor modules to meet your most challenging needs. Virtually unlimited capacitance and voltage ratings by combining networked leading-edge supercaps with appropriate balancing circuitry. Ultra-high capacitance storage with extended operating voltages.  Modules are designed to match individual applications and can be configured to meet space and shape limitations.  Illinois Capacitor has the expertise and technology to meet your requirements, while saving design time and cost!

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Introduction to Supercapacitors 

Engineers are doing some very cool things with
these unique devices.  Isn't it time you got
up-to-speed on supercapacitors?

Low ESR Capacitors: Fact or Fiction?

You be the judge!  Our most popular article tells all.

How's Your Capacitor Vocabulary?

No need to wonder about the deeper meaning of electronics terms with our Glossary of Terms.