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From: Winfield Hill
Subject: Re: Electronic News story: Leaky capacitors shorting circuits; problem spreads
Date: 1 Nov 2002 05:23:14 -0800
Organization: Rowland Institute
References: <email@example.com> <firstname.lastname@example.org>
X-Newsreader: Direct Read News 4.00
Søren A.Møller wrote...
> I know there has been problems in consumer equipment for years; I can't
> keep count on the number of capacitors I have changed, but there has
> been a more recent problem with low-ESR capacitors. See these articles:
> (links copied from www.overclockers.com)
> It seems there has been some problems with sub-standard eloctrolyte
> for low-ESR capacitors.
Interesting, the claim in these stories is that the fault lies with
an improperly-designed substitute for Rubycon P-50 type water-based
electrolyte. It's said the unstable replacement electrolyte creates
hydrogen gas, creating enough pressure after hundreds to thousands
of hours of use to cause rupture of the capacitor... How does this
relate, or does it? to Electronic News' story of excessively-small
capacitors (8mm diameter rather than 10 or 12.5mm) being at fault.
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