Yageo KEMET Floating Electrode Design (FE-CAP) X7R dielectric

Yageo KEMET’s Floating Electrode (FE-CAP) multilayer ceramic capacitor in X7R dielectric utilizes a cascading internal electrode design configured to form multiple capacitors in series within a single monolithic structure. This unique configuration results in enhanced voltage and ESD performance over standard capacitor designs while allowing for a fail-open condition if mechanically damaged (cracked). If damaged, the device may experience a drop in capacitance but a short is unlikely. The FE-CAP is designed to reduce the likelihood of a low IR or short circuit condition and the chance for a catastrophic and potentially costly failure event.

Driven by the demand for a more robust and reliable component, the FE-CAP was designed for critical applications where higher operating temperatures and mechanical stress are a concern. These capacitors are manufactured in state of the art ISO/TS 16949:2009 certified facilities and are widely used in power supplies (input and output filters) and general electronic applications.

Combined with the stability of an X7R dielectric, the FE-CAP complements Yageo KEMET’s “Open Mode” devices by providing a fail-safe design optimized for low to mid range capacitance values. These devices exhibit a predictable change in capacitance with respect to time and voltage and boast a minimal change in capacitance with reference to ambient temperature. Capacitance change is limited to ±15% from −55°C to +125°C.

In addition to commercial grade, automotive grade devices are available which meet the demanding Automotive Electronics Council's AEC–Q200 qualification requirements.

Features

• From −55°C to +125°C operating temperature range
• Floating electrode/fail open design
• Low to mid capacitance flex mitigation
• Lead (Pb)-free, RoHS and REACH compliant
• EIA 0402, 0603, 0805, 1206, 1210, and 1812 case sizes
• DC voltage ratings of 6.3V, 10V, 16V, 25V, 50V, 100V, 200V, and 250V
• Capacitance offerings ranging from 150pF to 0.22μF
• Available capacitance tolerances of ±5%, ±10%, and ±20%
• Commercial and Automotive (AEC–Q200) grades available
• Non-polar device, minimizing installation concerns
• 100% pure matte tin-plated termination finish allowing for excellent solderability
• SnPb termination finish option available upon request (5% Pb minimum)

Applications

Typical applications include circuits with a direct battery or power source connection, critical and safety relevant circuits without (integrated) current limitation and any application that is subject to high levels of board flexure or temperature cycling. Examples include raw power input side filtering (power plane/bus), high current applications (automobile battery line) and circuits that cannot be fused to open. Markets include consumer, medical, industrial (power supply), automotive, aerospace and telecom.