Hello Rich,
On Sunday 09 July 2006 13:32, Rich Koziol Inscribed Thus:
> Hi Gaffer,
>
> On 9 Jul 2006 at 11:43, Gaffer wrote:
> > On Saturday 08 July 2006 23:25, Rich Koziol Inscribed Thus:
> > > Can't tell you exactly why they fail suddenly.
> >
> > They don't fail suddenly !! They get hot and that causes pressure
> > buildup.
>
> Not only I can't spell, my writing does not make the point I wanted.
>
> Was trying to point out, that capacitors have been used in
> electronics for >60 years. "Suddenly" there's a problem.
Yes I agree ! I think that its just the odd manufacturer that has
taken their eye of the ball....!
> After that I speculated why we're hearing about it now. Some of it
> is simply matter of statistics - had one radio, now have 10-20
> electronic devices per household (more things to fail). Secondly we
> have internet to tell about every bad batch :-)
The problem is that sometimes a particular usage shows up a problem in
manufacture that didn't or wasn't covered by life testing !
In the case of exploding caps on mainboards, I don't think the
manufacturer took into account the enormous amount of current that
these caps had to cope with ! I know that there is getting on for a
hundred amperes flowing in those CPU power supply circuits. It
definitely is not a voltage rating problem since there is only 5 volts
DC maximum.
> And all the other reasons, already listed in my and others posts.
>
> Maybe it was simply a case of bad industrial espionage.
Or a case of one manufacturer feeding bad data to a spy, knowing that it
could do damage to a competitor !!
> Regards,
>
> Rich
--
Best Regards:
Derrick.
Pontefract Linux Users Group.
plug at play-net.co.uk
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