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Wet tantalum capacitors withstand hazardous setups

Posted: 31 Jul 2007 ?? ?Print Version ?Bookmark and Share

Keywords:wet tantalum capacitor? cathode technology?

Vishay Intertechnology Inc. has released a wet tantalum high-energy capacitor, which it says offers the highest capacitance of any similar device on the market. The HE3 capacitor features a unique case design and the company's SuperTan cathode technology for improved reliability and performance in high-energy applications.

Optimized for energy-storage and pulse-power applications in high-reliability avionics and military devices, the HE3 capacitor is housed in an all tantalum, hermetically-sealed case and is manufactured to withstand high stress and hazardous environments. A unique double seal is said to provide added reliability and performance.

By combining Vishay's SuperTan hybrid cathode technology in combination with industry-leading anode designs, the HE3 achieves a capacitance range of 3,300?F to 72,000?F and exhibits low equivalent series resistance (ESR) of 0.035 at 25C and 1kHz.

The HE3 capacitor offers a 20 percent standard capacitance tolerance at 120Hz and 25C, with tolerances of 10 percent available. The operating temperature range is -55C to 85C

Pricing ranges from $250 to $750 each for U.S. delivery. Samples and production quantities are available with lead times of approximately eight to ten weeks for larger orders.

- Gina Roos

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