Electrolytic capacitors aimed at hi-rel applications

18th May 2016
Source: TTI Europe
Posted By : Mick Elliott

Now available in Europe through TTI are Kemet’s T540 series and T541 series COTS polymer electrolytic capacitors. The devices offer the same performance advantages as other KO-CAP series components from Kemet with screening options associated with high reliability applications.

The Commerical-Off-The-Shelf (COTS) grade capacitors are built with a tin-lead (SnPb) termination finish and offer several surge current screening options. The multiple anode design of the T541 series offers lower ESR options than the T540 parts, resulting in high ripple current capability and higher frequency capacitance retention.

The recommended application derating for both capacitors is 10 – 20%, rendering them suitable for application voltages from 2.25 to 50 VDC.

Kemet organic capacitors (KO-CAP) are solid electrolytic capacitors with a conductive polymer cathode capable of delivering very low ESR and improved capacitance retention at high frequencies.

These devices combine the low ESR of multilayer ceramic, the high capacitance of aluminum electrolytic and the volumetric efficiency of tantalum into a single surface mount package. They have a very long operational life and high ripple current capabilities.


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