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Fused capacitor beefs up protection from short circuits

Posted: 22 May 2006 ?? ?Print Version ?Bookmark and Share

Keywords:TBW series? tantalum capacitor? AVX? Gina Roos?

AVX Corp. has developed the TBW series tantalum-fused capacitor to provide increased protection against short circuit failure modes in military and aerospace circuitry.

Using a thin-film technology, the TBW fused capacitor has an internal fuse to protect against short circuits, and is said to feature lower equivalent series resistance limits than many competitive products. Key applications include any military or aerospace circuitry where derating is at marginal levels and reliability relating to voltage breakdown is a concern.

The advanced volumetric efficiency of the TBW fused capacitor material enables the chip to achieve high capacitance values in standard case sizes, said the company. Capacitance values range from 4.7F to 47F with a capacitance tolerance of 10 percent to 20 percent. The operating temperature range is -55C to 125C. They are available on standard 7-inch and 13-inch reels.

Pricing for the TBW tantalum fused capacitor starts $6 each for Weibull-graded product per MIL PRF 55365 in quantities of 1,000. Delivery is from stock to ten weeks.

- Gina Roos

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