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Polymer COTS capacitors offer customised sol'ns

Posted: 23 Aug 2012     Print Version  Bookmark and Share

Keywords:polymer  capacitors  COTS  power 

KEMET Corp. launches the T543 Series of polymer commercial off-the-shelf (COTS) capacitors. The series includes over 300 discrete part numbers not including termination, ESR and surge current options to give designers the tools they need to customise their capacitance solutions and maximise application performance.

The company claims that using the T543 series capacitors will let designers use 90 per cent fewer capacitors. Also, their ESR characteristics and power dissipation is said to result in ripple current that is three times higher than the equivalent MnO2 capacitor.

The T543 series uses the designs of KEMET's commercial polymer product with the addition of 24 hours minimum of voltage conditioning and surge current options at +25�C and -55�C/+85�C. This upscreening, combined with a benign failure mode, is said to assure the design community of long term reliability and worry-free performance.

Typical applications of the capacitors include radar pulse capacitor, point of load supply and switch mode power supply in the computer, industrial, defence and telecommunications markets. They are priced from Rs.54.64 ($1) to Rs.382.51 ($7).

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