[TechAssist] Re: Capacitors
- From: "Damon" <DAMON101@xxxxxxxxxxxxxx>
- To: <techassist@xxxxxxxxxxxxx>
- Date: Fri, 8 Nov 2002 07:32:05 -0500
Actually, from the info I saw on the net (lookup past articles on Nesda) you
use the same value cap, tie the positive leads together. Take 2 diodes, tie
the cathodes together and solder the cathodes to the positive connection of
the caps, then the anode of the diodes is tied to the negative side of EACH
cap, thus you have 1 diode in parallel with each cap.
Then you just insert the negative side of each cap into the holes where the
NP cap was inserted. One cap is active positive-going and the other cap is
active negative-going....and you may want to double the working voltage of
both caps because you may have a rectified DC on the inactive cap......seems
to me this wouldn't work, but the Nesda article is where I got this info (I
think, I'm not 100% sure, but that is where I'd start).
HTH
Damon Brunger
damon101@xxxxxxxxxxxxxx
Telrad Electronic Services
Ft Wayne, IN 46815
----- Original Message -----
From: <VideoVann@xxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Thursday, November 07, 2002 12:04 PM
Subject: [TechAssist] Re: Capacitors
> Jason, Take 2 equal valued, polarized capacitors, each one must be
twice
> the value of the NP one that you're replacing (their total capacitance
will
> be only half of their marked value when wired in series) and wire them in
> series...either Pos to Pos or Neg to Neg - doesn't matter. Their
individual
> marked voltage can be half of what's needed, i.e., 2 - 100 uf, 50 Volt
Caps
> wired in series, will give you...1- 50 uf, 100 Volt NP Cap.
> Hope This Helps, Clint Vanorsdell DBA Video Van
>
>
> In a message dated 11/7/02 11:45:29 AM Eastern Standard Time,
> moutons@xxxxxxxxxxxxxxxx writes:
>
> >
> > Hi all,
> >
> > My father who has been in the buisness for over 30yrs had an interesting
> > idea. I have a tv that will require a NP capacitor and Dad seems to
> > remember that it was possible to make a NP out of 2 polorized
capacitors.
> > He, however, doesn't remember how to do it. My question is, is it
possible
> > to do and how? I hardly remeber this being a possibility from school and
> > like most shops don't stock a variety of NP capacitors.
> >
>
> > thanks in advance
> >
> > Jason Mouton
> > Mouton's Electronics
> > 1116 Center St.
> > New Iberia, LA 70560
> > 337-364-1641 Phone/Fax
> > moutons@xxxxxxxxxxxxxxxx
> >
>
>
>
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