Fail-safe ceramic chip capacitors

11 July 2007 Passive Components

The new FT-CAP series from Kemet is a surface mount multilayer ceramic capacitor that incorporates a unique and flexible termination system.

Integrated with Kemet's standard termination materials, a conductive epoxy is utilised between the conductive metallisation and nickel barrier finish in order to establish pliability while maintaining terminal strength, solderability and electrical performance. This technology directs board flex stress away from the ceramic body and into the termination area. As a result, this termination system mitigates the risk of low-IR or short-circuit failures associated with board flex.

The FT-CAP is currently being offered in case sizes ranging from EIA 0603 up to EIA 1210, with expansion to larger case sizes planned in the near future. Initial voltage offerings will range from 6,3 V d.c. to 200 V d.c. Combined with the stability of an X7R dielectric, these capacitors offers customers a flex-robust solution for high capacitance devices with an operating temperature range of

-55°C to +125°C with zero bias capacitance shift limited to ±15% over that range. Capacitance tolerances offered include J (±5%), K (±10%) and M (±20%). These capacitors meet the requirements of the Automotive Electronics Council's AEC-Q200-Rev. C and are available in both commercial and automotive grades.

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