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Q:

Are ceramic capacitors affected by dust and pollution?

A:

KEMET’s medical, automotive, industrial as well as commercial grade ceramic capacitors are qualified such that the testing criteria covers “Pollution Level 2” (non-conductive dust and pollution environments).  Our test labs for electrical and reliability testing are not in “clean room” environments.  Also, we also test for 1,000 hours at rated voltages under 85°C/85% relative humidity in the same lab environment.  Thus, it is safe to say that our finished components will function as specified and are safe to use in Level-2 dust and pollution environments.  We do, however, recommend that the customer follows storage and use conditions described in our catalogs.

Added on:

Tuesday, April 4th, 2017