What is the difference between General purpose and Automotive grade ceramic capacitors, if they have the same capacitance, temperature coefficient and operating temperature. is there a manufacturing or design difference or are they the same except the Automotive ones go through additional screening?
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What it really means is; you are maybe unlikely to find any Chinese Supplier qualified to AEC-Q200 due to quality control, traceability. They will be Japanese companies who take quality most seriously like ... Panasonic, Toyo Yuden, Rubicon for caps.
AEC-Q100: Integrated circuits (ICs) AEC-Q101: Discrete semiconductor components (transistors, diodes, etc.) AEC-Q200: Passive components (capacitors, inductors, etc.)
They include temperature grades from 105~150C for under the hood or interior etc.
MTBF drops 50% /+10’C rise , so life tests at elevated temps are mandatory and bunch of other stress tests,