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Tantalum capacitor touts 125V voltage rating

Posted: 25 Jul 2011 ?? ?Print Version ?Bookmark and Share

Keywords:tantalum polymer? capacitor? polymer technology?

AVX Corp. has claimed an "industry first" with the roll out of its tantalum polymer capacitor with a voltage rating of 125V. The TCJ series provides more than double the rated voltage of comparable devices in the market. This capability will allow the company to build capacitors that are more efficient and extend the range of devices available to engineers for new consumer product applications, AVX noted.

According to AVX, it developed the technology for high-voltage tantalum capacitors by optimizing processes that enhance capacitor performance and working closely with polymer suppliers. Due to polymer capacitors' surge robustness, they can support a lower derating figure of 20 percent. The company's new developments in polymer technology address the working voltage limitsdue to the dielectric material's maximum achievable breakdown voltageand are expected to yield even higher-rated products in the future.

"Passing the 100V milestone represents a significant development in high-voltage tantalum capacitors," said Tomas Zednicek, tantalum division worldwide technical marketing manager at AVX.

AVX's tantalum polymer capacitors feature a conductive polymer electrode that reduces ignition failure mode, provides excellent ESR stability over temperature, high volumetric efficiency and are 260C reflow compatible up to three times.

Limited quantity samples of the TCJ Series 125V version are now available, with volume production available next year.

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