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FT-CAPs ideal for harsh environment apps

Posted: 05 Jul 2012 ?? ?Print Version ?Bookmark and Share

Keywords:ceramic capacitor? FT-CAPs? dielectrics?

Kemet Corp. has added C0G and Ultra-Stable X8R dielectrics to its flexible termination (FT-CAP) portfolio.

The products are intended for under-the-hood automotive and other harsh environment applications where components can be exposed to excessive flex and mechanical stresses. Kemet's flexible termination technology helps minimize the risk of damage to the multilayer ceramic capacitor (MLCC).

Kemet's C0G-type capacitors offer capacitance stability up to 125C and find use in automotive, telecom, mobile communications, power supply and audio applications.

For high temperature applications, the Ultra-Stable X8R-type capacitors with flexible termination mitigate flex cracks that may develop under excessive board flex conditions associated with assembly, handling and extreme environments up to 150C.

Both dielectric technologies are lead-free and RoHS compliant, and are suited for a variety of applications.

Kemet's FT-CAP multilayer ceramic capacitors incorporate a flexible termination system integrated with Kemet's standard termination materials.

A conductive silver epoxy is utilized between the base metal and nickel barrier layers of Kemet's standard termination system to establish pliability while maintaining terminal strength, solderability and electrical performance.

This technology was developed to address flex cracks, the primary failure mode of surface mount MLCCs, and reduce the risk of mechanical damage to the component that can result in low IR or short circuit failures.

Kemet manufactures tantalum, ceramic, aluminum, film, paper and electrolytic capacitors.





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