On Mon, 16 Jan 2017 15:54:05 -0600 John Hasler <jhas...@newsguy.com> wrote:
> Joe writes: > > The electrolyte used in these [Japanese] capacitors > > They were Chinese knockoffs of a Japanese design. However there was a > proprietary trick that the Chinese missed and so they made and sold a > vast number of caps that turned out to be defective. The ones I saw were Japanese components in Japanese television cameras, many of them broadcast. This was from the mid-90s onwards. > > Electrolytics usually have burst membranes intended to prevent them > from exploding when they evolve gas and they usually work on > low-voltage ones. They often work on high-voltage caps too, but > other times you can get a nice bang. Big motor starter capacitors > can be fun that way. And silent leakage of copper-dissolving electrolyte can stop things working just as well. -- Joe