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Capacitors target apps with longer shelf life

Posted: 21 Jun 2011 ?? ?Print Version ?Bookmark and Share

Keywords:SMD tantalum? capacitors? thermo? mechanical stress?

AVX Corp. has expanded its TRM and TRJ Professional Series of SMD tantalum capacitors to cater to developers of high-end commercial applications that require extended product life.

According to AVX, the TRM Series and TRJ Series feature low ESR values, reduce DCL (DC leakage current) by 25 percent, can withstand high thermo mechanical stresses and boast of failure rates of better than 0.5 percent/1000 hours at 85�C and full-rated voltage.

"High-end products need to be affordable, reliable and safe, whether they are destined for automotive, medical, aerospace, military or other products that are expected to be durable," said Tomas Zednicek, AVX worldwide technical marketing manager for tantalum division.

Zednicek added that the company's latest tantalum capacitors offer the right cost and performance proposition for developers of high-end commercial applications.

The TRJ Professional capacitors have voltage range of 6.3V to 50V, with DCL leakage of 0.0075CV.

The company claims that the capacitors are twice as reliable as commercial grade tantalum capacitor products with mean time between failures (MTBF) of 200,000 hours. They are also designed and tested to withstand high current surges and are qualified to AECQ-200 automotive requirements.

The TRM Professional is a multianode type tantalum capacitor with a voltage range of 6.3V C 50V. Devices offer very low ESR and DCL leakage of 0.0075CV. Reliability is double that of the standard TPM multianode product range at 0.5 percent/1khrs and MTBF is 200,000 hours.

It added that the acceptable quality level (AQL) is 0.10 percent for the TRM Professional against 0.25 percent for standard product. The TRM Professional multianode tantalum capacitors are qualified to AECQ-200.

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