[TechAssist] Re: NTE Parts

Solution....use the proper subs. If you want to experiment.....stand by for
call backs.

-Ed-
Tel-Tek Electronics
Midland, Ont. Canada.
teltek2@xxxxxxxxxxxx

"Quality will be remembered, long after Price is forgotten"
----- Original Message -----
From: "Gary McCartney" <number63@xxxxxxxxxxxxx>
To: <techassist@xxxxxxxxxxxxx>
Sent: Tuesday, June 18, 2002 11:27 AM
Subject: [TechAssist] Re: NTE Parts


>
> I always understood that to have two diodes in parallel, you need to
> have a very small resistance in series with each diode to prevent the
> one diode from conducting all the current. With that being said, the
> theory should indicate that only one of the two dampers will conduct. I
> still wouldn't want to try it though.
>
>
>
>
> Gary McCartney
>
> McCartney Electronics
> 7134 Fife Rd, RR 7
> Guelph Ontario Canada N1H 6J4
> Fax: (519)821-1530
> email: number63 (at) inetsonic.com
>
>
>
>
>
> Ed Gaidies wrote:
> >
> > I would think you are going way out of the range of safe substitution,
> > especially with critical components such as Horizontal Outputs.
> >     But...if it works for you...fine. Not a recomended practice among
most
> > techs.
> >
> > - Ed -
> >
> > TEL-TEK ELECTRONICS
> > Ontario-Canada
> > "Quality will be remembered....long after Price is forgotten"
> >
> > teltek2@xxxxxxxxxxxx
> > teltek@xxxxxxx
> >
> > > From: "Peter oliver" <oliver_peter1@xxxxxxxxxxx>
> > > Reply-To: techassist@xxxxxxxxxxxxx
> > > Date: Tue, 18 Jun 2002 03:23:21 +0000
> > > To: techassist@xxxxxxxxxxxxx
> > > Subject: [TechAssist] Re: NTE Parts
> > >
> > >
> > > I have used dampered transisors in non-dampered sets without problems,
it is
> > > when you use non-dampered transistors in a set that requires damper
diodes
> > > that overheating problems arise. Generally if I can't reference a
output
> > > transistor and I need to replace one and don't want to wait to order
the
> > > exact part I'll put in the transistor with the highest voltage and
current
> > > ratings and the fastest switch time. usually this avoids delterious
> > > problems, there could be possible problems but I haven't had a
significant
> > > one in a number of years. (you do need to watch as not all parts are
equal
> > > and sometimes you can get a bad batch of parts, but not often, The
only ones
> > > that come to mind were gold lettered 2sd1880's that would overheat
whereas
> > > the silver labeled did not. Take this as you may but as always proceed
with
> > > caution, check the HOT temp after 1 min, 5min, ... to ensure problem
free
> > > operation. (pull the plug first as some chasis are live) temprature of
> > > transistor should be cool enough to touch without causing
pain/burns...)))
> > >
> > > Peter Oliver
> > > TRTV
> > >
> > >
> > >> From: Larry <schntv@xxxxxxxxxxxx>
> > >> Reply-To: techassist@xxxxxxxxxxxxx
> > >> To: techassist@xxxxxxxxxxxxx
> > >> Subject: [TechAssist] Re: NTE Parts
> > >> Date: Mon, 17 Jun 2002 23:07:21 -0400
> > >>
> > >>
> > >> Is there an easy way to know if a horiz output transistor has
> > >> a damper or not.
> > >> when the number in not in the ECG book, and it is already
> > >> shorted.
> > >> what would be the effect if using damper type in set that was
> > >> made for no damper?
> > >> Thank you,
> > >> Larry
> > >>
> > >>
> > >> Tech Repair CD support wrote:
> > >>>
> > >>> Jeff,
> > >>> You don't list your area.
> > >>> You can use 2SC4769, probably cheaper and more reliable.
> > >>> Jeff
> > >>> FAX 717-564-4952
> > >>> Intrepid Video & Electronics
> > >>> 501 Luther Rd
> > >>> Harrisburg PA 17111-2055
> > >>> Be careful of your thoughts.
> > >>> They may become your words any moment.
> > >>> Order your tip CD today. Filled with TV, VCR, camcorder tips and
more.
> > >>> Version 3.0, ready, with more tips, user friendly program.
> > >>> $49.00 for CD, plus first year of tip updates.
> > >>> sales@xxxxxxxxxxxxxxx for more info
> > >>> www.tech-repair.net www.intrepid-video.com
> > >>> www.thetoolcaddy.com www.9-11-2001tragedy.com
> > >>> ----- Original Message -----
> > >>> From: "jeff myers" <jsmyers24151@xxxxxxxxx>
> > >>> To: <techassist@xxxxxxxxxxxxx>
> > >>> Sent: Monday, June 17, 2002 9:59 AM
> > >>> Subject: [TechAssist] NTE Parts
> > >>>
> > >>>>
> > >>>>
> > >>>> Hello everyone,
> > >>>> Someone emailed me about distributing NTE Parts, but I deleted his
> > >> email (oops).
> > >>> There are no parts dealers in my area (unless you count Radio Shack,
> > >> which I
> > >>> don't), so I'm in need of a parts dealer. What I need is NTE part
number
> > >> NTE2353
> > >>> (NPN TV horizontal deflection output w/damper diode). A price on one
> > >> would be
> > >>> helpful. Also, I'm not loaded down with alot of test equipment, but
I
> > >> need to
> > >>> check this flyback to make sure it is okay. Is there a way of
checking
> > >> it before I
> > >>> put this driver in? Thanks,
> > >>>> Jeff
> > >>>>
> > >>>>
> > >>>>
> > >>>> ---------------------------------
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