I found it in the Radio Shack catalog, but perhaps it is not in the current
issue. I just did a Google search on it, and came up with 548 hits on that
number, one of which was the 276-2043 in the Tandy corp site (Radio Shack).
But there are many other sources listed. You just need to track one of them
down - it might take a few phone calls. It is a Motorola product, one of
the most vigorous companies in the semiconductor industry.
Another hit was on:
http://www.onsemi.com/productSummary/0,4317,MJ2955,00.html
They have the MJ2955 in stock for $1.22 apiece, but there is probably a
minimum order quantity - you'll have to contact them to find out what that
is. Maybe you can buy the minimum quantity, then make the extra transistors
available to others.
I ran out of time, but there are 546 more links to explore. Have at it!
Dick Benjamin (who used to do this for a living - but no more!)
----- Original Message -----
From: Gary Frey <gfreynpo@xxxxxxxxxxxxxx>
To: <mailing-list@xxxxxxxxxxxxxxxx>
Sent: Saturday, February 15, 2003 6:05 PM
Subject: Re: IML: Electroluminescent Power Supply
>
>
> Dick Benjamin wrote:
>
> > MJ2955 is a Motorola number - you can buy these from your local
electronic
> > parts supply house, but there may be a minimum order size.
>
> *** Neither I nor some of my electronic freiends can find the part number
or the
> transistor anywhere. If they are at a local electronic store, we can't
find
> it.***
>
>
>
> > Note that this
> > replacement is a Silicon transistor, thus the bias resistor has to be
> > changed. When I wrote this all up a few years ago, I did the
calculations
> > and put the correct new value in the report. You should be able to find
> > this on the IML site by searching the archives. Are you saying Radio
Shack
> > no longer stocks that part number?
>
> ***I can not find the Radio Shack part number (276-2043) in any store. I
went
> to the Radio Shack web site and they do not recognize the number. I went
to the
> store and they don't have a reference either. (Most of them know only what
is on
> the shelf....and I wonder if they know much about that.)***
>
>
> >
> >
> > Dick Benjamin
> > ----- Original Message -----
> > From: Gary Frey <gfreynpo@xxxxxxxxxxxxxx>
> > To: <mailing-list@xxxxxxxxxxxxxxxx>
> > Sent: Friday, February 14, 2003 8:13 PM
> > Subject: IML: Electroluminescent Power Supply
> >
> > > >
> > > > I have read the repair and diagnosis for the power module for the
> > > > electroluminescent dash, but I cannot find the switching transistor
> > > > anywhere. The original is "Bendix PS20" (power supply laying on my
> > desk)
> > > > and the suggested replacement is "MJ2955 (Radio Shack 276-2043)".
The
> > > > originaql transistor was a germanium PNP in a TO-3 case. Radio
Shack
> > has
> > > > become useless for electronic components and they know nothing
about
> > > > this part.
> > > >
> > > > Does anyone have the "specifications" for this transistor, so maybe
I
> > > > can find another replacement.
> > > >
> > > > Thanks,
> > > >
> > > > Gary Frey 61 Crown
> > > >
> > > > e-mail: gfreynpo@xxxxxxxxxxxxxx
> > >
> > >
> > >
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> >
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