Links would help because I tried Googling SO565, SO565J, S0565, and S0565J with
no
such positive results.
Gary
Glenn Little WB4UIV wrote:
> Google shows that Richardson Electronics has the SO565J SCR. Further Google
> shows that this is a 50V 65Amp non sensitive gate SCR.
>
> Any device that meets these specs would work. Astron possibly changed part
> numbers with production runs as different parts were available and the cost
> of these parts may have changed. I would use what ever is available at the
> time of manufacture that was available and fit my budget. The different
> part values may reflect these changes with production changes.
>
> 73
> Glenn
> WB4UIV
>
> At 11:41 PM 05/26/06, you wrote:
> >Yeah, the RS and RM series are electrically the same however, the schematics
> >vary depending upon the year of print. I have the RS-50M schematic from 2000
> >off the RB website. I requested a schematic from the rocket scientists at
> >Astron. What they sent is dated 1996 and the two have significant differences
> >between them not to mention a third I found elsewhere dated 1997 (again, some
> >differences). I wouldn't be so concerned except the differences are in
> >component ID's and values. I'm hoping someone has a more recent copy
> >available-- perhaps two out of three (or four) will agree. The protective SCR
> >is shorted in mine. I can buy the part from Astron next week but I was hoping
> >to find it via Newark, Mouser, or the like. The SCR part number varies
> >depending upon what schematic you look at but most call for a "SO565J". I
> >have
> >not yet found the manufacturer of this part number nor a source outside of
> >Astron.
> >Gary
> >
> >mch wrote:
> >
> > > The RM-50M has been around for many years (at least 20). It's the Rack
> > > Mount version of the RS-50M. So, the schematics should be the same.
> > >
> > > Joe M.
> > >
> > > Mike Morris wrote:
> > > >
> > > > At 05:01 PM 05/26/06, you wrote:
> > > > >Does anyone have the schematic from an Astron RM-50M that they can scan
> > > > >and email to me? Yes, I've already called Astron. If any member of this
> > > > >list can scan and email the schematic it would be appreciated. A common
> > > > >file type like .doc or .pdf is preferred.
> > > > >Thanks,
> > > > >Gary
> > > >
> > > > Is the RM-50M one of the newer models, or did you mean the RS-50M ?
> > > >
> > > > If it's the RS, then look at the Astron page at www.repeater-builder.com
> > > >
> > > > Mike
> > > >
> > > >
> > > > Yahoo! Groups Links
> > > >
> > > >
> > > >
> > > >
> > >
> > >
> > > Yahoo! Groups Links
> > >
> > >
> > >
> > >
> >
> >
> >
> >
> >
> >
> >
> >Yahoo! Groups Links
> >
> >
> >
> >
>
>
> Yahoo! Groups Links
>
>
>
>
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