On 4/8/2011 11:20 AM, Andre Abelian wrote:
> Hi all,
>
> mistakenly I used super cap reverse polarity so + pin is connected to gro=
und and
> - pin goes to
> RTCC chip. when I checked cap was charged and every things working fine h=
ardware
> wise.
> this mean super cap is charged wrong polarity without knowing but as far =
as
> functionality it works fine.
> looking inside electrolytic cap it is only a pair of foil wrapped togethe=
r. my
> question is this
> how does + pin define? or how do they figure out + and - pin?
> based on my testing electrolytic cap do not have polarity.
>
> any idea how + pin is defined?
>
> AA
>
>
>
IN THE BEGINNING, (like 1930's technology) the minus sign meant "outside=20
foil)!

--=20

John Ferrell W8CCW

"In order to seek truth, it is necessary once in the course of our life=20
to doubt, as far as possible, of all things."
=97 Ren=E9 Descartes


--=20
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