Forum: Reliability & Maintainability Questions and Answers

Topic: Reliability & Maintainability Questions and Answers

Topic Posted by: Reliability & Maintainability Forum (src_forum@alionscience.com )
Organization: System Reliability Center
Date Posted: Mon Aug 31 12:47:36 US/Eastern 1998
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Original Message:

Posted by: Vesna Borak
Organization:Cochlear Limited
Date posted: Mon Mar 5 15:48:22 US/Eastern 2007
Subject: X5R capacitor burn-in at +125degC/168hrs
Message:
The X5R ceramic capacitor operating range is -55 to +85 degC. This relates to the capacitance value, as certain capacitance range (+/-15%)is guaranteed within the above temperature limits.

Would anyone be able to advise what happens if you burn-in the X5R capacitor at temperatures above +85degC, for example at +125degC for 168 hours - would there be any permanent damage (and which failure modes) or capacitor would recover once it cools down with no impact on reliability?

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