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Temperature and Voltage Variation of Ceramic Capacitors

Authored on: Dec 4, 2012 by Mark Fortunato

Technical Paper / Application Note

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The reality of modern, small form-factor ceramic capacitors is a good reminder to always read the data sheet. This tutorial explains how ceramic capacitor type designations, such as X7R and Y5V, imply nothing about voltage coefficients. Engineers must check the data to know, really know, how a specific capacitor will perform under voltage.
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Rsaksena Posted Apr 10, 2013

As author was using the capacitor for LED driver and the change in capacitance only made change in time constant and may be pulse width or frequency. But think when this capacitor is used as coupling capacitor or bypass capacitor in large signal amplifiers, say audio amplifiers, it will have non-linear effect on the signal and will result in distortions.

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