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Old 11th May 2021, 2:49 pm   #15
duncanlowe
Nonode
 
Join Date: Jan 2016
Location: Stafford, Staffs. UK.
Posts: 2,532
Default Re: Checking tantalum capacitors

Quote:
Originally Posted by dave cox View Post
Ceramic multilayer caps (MLC) can also evaporate the PCB when they fail short circuit! I don't see manufactures stopping their use any time soon.
Yes, but there have been many things done in design or process to prevent or at least reduce the risk. Putting two in series, at right angles. Doing stress measurements on the board throughout the process (not every board, but a trial board). Having special components with floating terminations to prevent the cracks forming.
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