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VOLUME -27 NUMBER 9
Publication Date: 09/1/2012
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September 2012 Issue
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Kemet Expands Flex Terminations for Capacitors
Greenville, SC — Kemet Corporation has expanded its flexible termination (FT-CAP) portfolio to include C0G and Ultra-Stable X8R dielectrics. Electronic components are often subjected to severe flexing and vibration when used in various under-the-hood automotive and other harsh environment applications. Potential mishandling during circuit board assembly may also expose these components to excessive flex and mechanical stresses. In these situations, the company's flexible termination technology is a successful and proven solution for minimizing the risk of damage to the multilayer ceramic capacitor (MLCC).
The company's C0G-type capacitors, combined with flexible termination technology, offer exceptional performance and capacitance stability up to 125°C while addressing the need for more flex-robust solutions in automotive, telecom, mobile communications, power supply and audio applications.
Both dielectric technologies are Lead-Free and RoHS Compliant, and are suited for a variety of applications requiring proven, reliable performance. In addition to Commercial Grade, Automotive Grade devices are available for mission and safety critical circuits requiring stricter testing protocol and inspection criteria. Kemet's Flexible Termination (FT-CAP) multilayer ceramic capacitors incorporate a special, flexible termination system that is integrated with the company's standard termination materials. A conductive silver epoxy is utilized between the base metal and nickel barrier layers of the standard termination system in order to establish pliability while maintaining terminal strength, solderability and electrical performance. This technology was developed in order to address flex cracks, the primary failure mode of surface mount MLCCs, and to reduce the risk of mechanical damage to the component that can result in low IR or short circuit failures.
The ultra-stable X8R dielectric offers the same temperature capability as conventional X8R but without the capacitance loss due to applied DC voltage. These devices are an excellent replacement for higher capacitance and larger footprint devices that fail to offer capacitance stability.
Contact: Kemet Corporation, P.O. Box 5928, Greenville, SC 29606
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