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Soft termination system delivers improved reliability and increased mechanical strength
13 July 2005, Passive Components
Driven by demands for more robust and more reliable components, AVX has extended the capacitance ranges of its Flexiterm family.
Flexiterm, a recently introduced, soft termination system, delivers enhanced mechanical strength and temperature cycling performance for ceramic capacitors in X7R dielectric. Flexiterm enables superior mechanical and thermo-mechanical performances in applications subject to high degrees of board flexure.
New Flexiterm X7R values include a 1 μF, 10 V, 0805 chip-sized part and a 0,47 μF, 50 V component.
Enhancing the capabilities of a standard MLCC, Flexiterm has been developed to guard against crack failures under extreme environmental conditions. Using base metal electrode (BME) technology, flexible copper terminations are coated with a conductive polymer and subsequently plated with nickel and tin. The system guarantees a minimum damage-free flexure of 5 mm, achieving 3000 temperature cycles compared to an industry standard of 1000. As a further benefit, the component will fail 'open-circuit' beyond 5 mm.
Flexiterm is suitable for high flexure stress circuit boards, variable temperature applications and automotive applications. |
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