On Mon, 2 Aug 1999 19:34:13 -0600 Yolanda wrote:
> One thing I've been wondering is what if a capacitor isn't
> entirely drained, couldn't that wreak havoc with circuitry
> made wet? I certainly wouldn't do this to a board just
> recently used!
Hi Yolanda,
I didn't see anyone else answer this, so here's my
1.5 cents worth:
It's hard to tell what would happen in any particular
situation. If the power drained where it "shouldn't
aughta" then something could be damaged. Even a small
charge in the wrong place can harm some semiconductors. My
guess is that very likely it would just hasten the
discharge of the capacitor in a non harmful way.
Capacitors come in a VERY wide range of values and many of
them carry extremely small charges when fully charged.
The question is a bit academic to my mind, as there are
lots of other reasons why you wouldn't want to run a piece
of electronics while wet.
PS: It sounds as though you have heard something about
capacitors which suggests that they can be harmful or
dangerous. In the case of larger ones THIS IS ENTIRELY
CORRECT. Big ones can pack a wallop. The little ones which
you see on most computer boards and not dangerous. The
ones in powersupplies can weld your screwdriver. <g>
Cheers,
Ole Juul
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