[ARC5] [hp_agilent_equipment] Re: [armyradios] NOS Electrolytics

[Bernardo Santos]

Wow, 20mA is a lot. I restore vintage tube stuff and always reform caps
(400V+).

Actually I have some Western Electric stuff on the bench now.


On Sun, Jun 1, 2014 at 5:26 PM, 'J. Forster' jfor at quikus.com
[hp_agilent_equipment] <hp_agilent_equipment at yahoogroups.com> wrote:

>
>
> Greater tham 20 mA.
>
> -John
>
> =============
>
>
> > How much leakage?
> >
> > On 6/1/2014 10:08 AM, 'J. Forster' jfor at quikus.com [armyradios] wrote:
> >>
> >> I recently bought some Nichicon 1500uF @ 100 VDC caps to fix a Tek SC504
> >> Function Generator.
> >>
> >> Being careul, I decided to reform them before soldering them in place...
> >> and got a surprise. They had a lot of electrical leakage. So,I put them
> >> on
> >> an HP 6209B set to about 4mA and 100 VDC. The reforming ran overnight
> >> and
> >> the units are now fine.
> >>
> >> Moral: It is well worth reforming electrolytics, unless they have very
> >> new
> >> date codes, especially higher voltage ones.
> >>
> >> FWIW,
> >>
> >> -John
> >>
> >> =============
> >>
> >>
> >
> >
> >
> > ------------------------------------
> >
> > ------------------------------------
> >
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> >
> >
> >
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