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 (ultra capacitors) 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

 

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

NEWEST SNAP MOUNT ELECTROLYTICS LAST UP TO 20 YEARS!

LMX electrolytic capacitors offer ultra-long life with a wide range of values, from 0.47 to 1,800µF.  Rated at 5,000 hrs @ +105°C or 20 years of typical use @ +20°C.  With up to 450WVDC ratings, these capacitors are well suited for high-performance circuits requiring long-life.  The -25°to +105°C operating temperature provides an added margin for harsh environments. Low Z, RoHS compliant and ready for your next  switching regulator, power supplies or input filters!  -MORE-

 

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.