Re: Dell BIOS
On Mon, 16 Jan 2017 15:54:05 -0600
John Hasler <jhasler@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
Reply to: