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Taf · 07-08-2016, 19:51

I think it's the big back EMF that is damaging them. These 3 are the only big caps that I have seen fail in this way in over 40 years. They are RUN capacitors, and as such are quite large to get rid of the heat during operation.

07-08-2016, 19:51	#508
Taf cf.mega poster Join Date: Jun 2003 Location: Kairdiff-by-the-sea Age: 68 Services: TVXL BBXL Superhub 2ac (wired) 1Tb Tivo Posts: 9,847	Re: What have you fixed lately? I think it's the big back EMF that is damaging them. These 3 are the only big caps that I have seen fail in this way in over 40 years. They are RUN capacitors, and as such are quite large to get rid of the heat during operation.