Re: Bridge Rectifiers - NEVERMIND Less than $3.00 each new

[nick markowitz <nmarkowitz@xxxxxxxxx>]

On Jan 11, 11:07=A0pm, "RockyTSquirrel" <gafa_...@xxxxxxxxxxx> wrote:
> "nick markowitz" =A0wrote in message
>
> news:368f1a13-62c6-445b-998b-e6a94b76a808@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> On Jan 10, 8:50 pm, Jim <alarmi...@xxxxxxx> wrote:
>
>
>
> > On Jan 10, 3:16 pm, "Bob La Londe" <nos...@xxxxxxxxx> wrote:
>
> > > "Bob La Londe" <onebike...@xxxxxxxxx> wrote in
> > > messagenews:igf70p$r48$1@xxxxxxxxxxxxxxxxxxxxxxxxxxxxx
>
> > > >I am working retrofitting a control system (hobby stuff - (industria=
l
> > > >hobby)) and I was considering reusing some of the components. =A0One=
 of
> > > >the
> > > >things is a 230-60V transformer that feeds into a modularized bridge
> > > >rectifier to produce 84VDC under load. =A0The transformer is fine, t=
he
> > > >caps
> > > >(BIG caps) need to be tested, but I was wondering if the diodes in t=
he
> > > >rectifier have a predictable service life? =A0I can make my own easi=
ly
> > > >enough
> > > >with a handful of heavy diodes, but I really like the neat packaging=
 of
> > > >this modular one. =A0One less thing to have to bread board. =A0 This=
 is NOT
> > > >a
> > > >low current application.
>
> > > Nevermind. =A0I just looked for the heck of it. =A0400V 25 amps. =A02=
.75 each
> > > new.
> > > ROFL.
>
> > That's hardly worth the skin off your fingers ..... it took to type
> > the question. ;-)
>
> I pulled a Sq-D rectifier out of service for door chime service last
> year that was still working but not needed that was built in 1934
> pretty amazing how long some of that old stuff holds up.
> I have a 1940s era =A01000 watt AM =A0Collins transmitter up at =A0the
> station we keep in reserve duty and it fires up every few weeks and is
> strong as ever. I got pictures of it on my face book wall all fired up
> with the tubes lighted pretty cool.
>
> Nick, =A0 keep those big ole =A0tubes =A0clean, =A0a little hand grease =
=A0and =A0you'll
> be looking for a replacement..
>
> keep an eye on those caps too, =A0if they start to fade =A0they can take =
out a
> transformer =A0pretty fast..
> Hopefully =A0you'll hear the ac buzz =A0first.. =A0;-)
>
> RTS

I take loving care of the Collins