KEMET Introduces KO-CAP® Reliability Assessment Method

First Reliability Testing Method Available for Polymer Electrolytic Capacitors

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Dec 01, 2015, 04:15 ET

The KEMET T540 and T541 Commercial-Off-the-Shelf (COTS) Series are the only polymer electrolytic capacitors available today with failure rate options defined by the new KO-CAP Reliability Assessment method.

GREENVILLE, S.C., Dec. 1, 2015 /PRNewswire/ -- KEMET Corporation (NYSE: KEM), a leading global supplier of electronic components, introduced its new KO-CAP® Reliability Assessment method, the first of its kind for polymer electrolytic capacitors.

The T540 and T541 Commercial-Off-the-Shelf (COTS) Series are the only polymer electrolytic capacitors available today with failure rate options defined by this innovative testing criteria. Developed as a result of over ten years of research, the Reliability Assessment method utilizes accelerated voltage and temperature conditions applied to board-mounted samples to assess long-term device reliability. The failure rates available are B (0.1% per 1,000 hours), C (0.01% per 1,000 hours) and D (0.001% per 1,000 hours).

This new Reliability Assessment method complements the successful T540 and T541 COTS Series KO-CAPs. These high performance capacitors are designed for decoupling and filtering applications that require very low equivalent series resistance (ESR). By utilizing an organic conductive polymer as the cathode plate of the capacitor, this technology results in low ESR, high ripple current capability and improved capacitance retention at high frequency. Such performance characteristics are ideal for various high reliability defense and aerospace applications such as radar, sonar, power supplies and guidance systems. KO-CAPs with the new Reliability Assessment method are available with rated voltages from 2.5 to 63 VDC, capacitances up to 1,500 µF, and ESR as low as 5 milliohms – all in surface mount packaging.

Design engineers can now match the reliability requirements of their project to the appropriate failure rate. Traditional Weibull methods of assessing reliability are not suitable for polymer electrolytic capacitors and fall short of properly assessing lot-to-lot reliability. Prior to this release, this capability was only available through source control drawings, but is now easy to design in by adding the desired failure rate to the 13th character of the part number.

For more information on KEMET's KO-CAP Reliability Assessment method, please visit www.kemet.com/KOCAP-ER.

About KEMET
KEMET Corporation is a leading global supplier of electronic components. We offer our customers the broadest selection of capacitor technologies in the industry, along with an expanding range of electromechanical devices, electromagnetic compatibility solutions and supercapacitors. Our vision is to be the preferred supplier of electronic component solutions demanding the highest standards of quality, delivery and service. KEMET's common stock is listed on the NYSE under the symbol "KEM." Additional information about KEMET can be found at http://www.kemet.com.

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