Request info on 2N2118 Old Strange Looking Huge Westinghouse

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(0

Guest
Here is an interesting one. I won't call it ugly because I got in
trouble for that last time (but it is). Anyone have any specs on
this. Google turned up zilch except a page in russian that I can't
read and the typical parts houses with every part number under the sun
listed. The part number is 2N2118. Gigantic NPN power transistor
with part porcelain body. Looks like it was expensive and hard to
make. Still tests good on a go/no go type tester. Would also like
to know the original applications for a power transistor of this size.
If anyone has info on this, I would appreciate it.

Pics here:

http://img.villagephotos.com/p/2004-7/794359/Mvc-028s.jpg

Picture of box and hardware that came with it.

http://img.villagephotos.com/p/2004-7/794359/Mvc-024s.jpg
 
"(0) -^- (0)" <transistorPLEASE@REMOVEkc.rrTHISTOREPLY.com> wrote in message
news:411154d9.14923394@news-server.kc.rr.com...
Here is an interesting one. I won't call it ugly because I got in
trouble for that last time (but it is). Anyone have any specs on
this. Google turned up zilch except a page in russian that I can't
read and the typical parts houses with every part number under the sun
listed.
Click to expand...
You can translate Russian pages into English with the translate a web page
feature here:

http://babelfish.altavista.com/

jim menning
 
"(0) -^- (0)" <transistorPLEASE@REMOVEkc.rrTHISTOREPLY.com> wrote in message
news:411154d9.14923394@news-server.kc.rr.com...
Here is an interesting one. I won't call it ugly because I got in
trouble for that last time (but it is).
Click to expand...
Looks like an SCR to me.

Pete
 
"(0) -^- (0)" <transistorPLEASE@REMOVEkc.rrTHISTOREPLY.com> wrote in message
news:411154d9.14923394@news-server.kc.rr.com...
Here is an interesting one. I won't call it ugly because I got in
trouble for that last time (but it is). Anyone have any specs on
this. Google turned up zilch except a page in russian that I can't
read and the typical parts houses with every part number under the sun
listed. The part number is 2N2118. Gigantic NPN power transistor
with part porcelain body. Looks like it was expensive and hard to
make. Still tests good on a go/no go type tester. Would also like
to know the original applications for a power transistor of this size.
If anyone has info on this, I would appreciate it.

Pics here:

http://img.villagephotos.com/p/2004-7/794359/Mvc-028s.jpg

Picture of box and hardware that came with it.

http://img.villagephotos.com/p/2004-7/794359/Mvc-024s.jpg
Click to expand...
YOU CAN'T READ RUSSIAN?

You don't have to. Just find another transistor whose parameters you know
in the list and work from that.

2N2118 is an NPN transistor -- 150V Vceo 30A max Ic 250W Pd

What else do you need?

Applications? A good part of Westinghouse provided equipment and material
to the electric power industry. It's not hard to imagine a power transistor
like that driving a motor or as part of a power switching circuit.

Norm
 
In article <AvmdndZfhNbH5ozcRVn-pw@megapath.net>,
hmurray@suespammers.org (Hal Murray) wrote:

Back in the '60s, a friend worked for GE's semiconductor group.
He made SCRs. Big ones. Their main customer was the branch
of GE that built diesil electric locomotives.
Click to expand...
Pure electric locomotives. The E-60 and such used them, as did the
Arrow III MUs. Replaced ignitrons in older stuff.

ASEA was the pioneer in this field, thougj.
 
"Jim Menning" <jmSePnAnMing@SnPeAwM.rr.com> wrote in message
news:cXcQc.71783$vN3.43983@twister.rdc-kc.rr.com...
"(0) -^- (0)" <transistorPLEASE@REMOVEkc.rrTHISTOREPLY.com> wrote in
message
news:411154d9.14923394@news-server.kc.rr.com...
Here is an interesting one. I won't call it ugly because I got in
trouble for that last time (but it is). Anyone have any specs on
this. Google turned up zilch except a page in russian that I can't
read and the typical parts houses with every part number under the
sun
listed.

You can translate Russian pages into English with the translate a web
page
feature here:

http://babelfish.altavista.com/

jim menning
Click to expand...
Take that word 'translate' with a big grain of salt. They're getting
better, but still a long way from being reasonably intelligible.

Put that old transistor up for bid on Ebay, and see how much it'll
bring. Might get some decent money for it.
 
" Uncle Peter" <radioconnectionNO@cox.netSPAM> wrote in message
news:B2dQc.5402$Yf6.228@lakeread03...
"(0) -^- (0)" <transistorPLEASE@REMOVEkc.rrTHISTOREPLY.com> wrote in
message
news:411154d9.14923394@news-server.kc.rr.com...
Here is an interesting one. I won't call it ugly because I got in
trouble for that last time (but it is).

Looks like an SCR to me.

Pete
Click to expand...
That was my first thought, too. But the ol' Moto Manual sez it's a
transistor. If it was a thyristor, it would be in a separate table.
 
On Wed, 04 Aug 2004 21:42:37 GMT,
transistorPLEASE@REMOVEkc.rrTHISTOREPLY.com ((0) -^- (0)) wrote:

Here is an interesting one. I won't call it ugly because I got in
trouble for that last time (but it is). Anyone have any specs on
this. Google turned up zilch except a page in russian that I can't
read and the typical parts houses with every part number under the sun
listed. The part number is 2N2118. Gigantic NPN power transistor
with part porcelain body. Looks like it was expensive and hard to
make. Still tests good on a go/no go type tester. Would also like
to know the original applications for a power transistor of this size.
If anyone has info on this, I would appreciate it.

Pics here:

http://img.villagephotos.com/p/2004-7/794359/Mvc-028s.jpg

Picture of box and hardware that came with it.

http://img.villagephotos.com/p/2004-7/794359/Mvc-024s.jpg
Click to expand...
http://www.cmbcomponents.com/
stocks the 2N2118 and lists it as a
Low-Frequency Power Silicon NPN BJT.
 
"Watson A.Name - "Watt Sun, the Dark Remover"" <NOSPAM@dslextreme.com>
wrote in message news:10h49bcr6popp89@corp.supernews.com...
My Moto manual says 2N2118 is NPN and good for 250W,
and 150V both Vceo and Vcbo.
At 15A, it has a minimum gain of 10, probably a more typical gain
of 15 or 20,or so, which is low by today's standards. At 15A, it has a
Vce(sat) of 1.5V. There is a whole series of them from 2N2109 to 2135,
the lower ones are good for 10A, the higher ones for 25A.
Click to expand...
Thinking about the 'Hobbyist, Experimenter, Professional' bit,
I reckon that the phrase is concocted to use those letters because
they really stand for 'Homo-Eptiaxial Planar' which Moto will have
registered - or something like that.

In those days, the manufacturers were keen on inventing and registering
various names so that their products could be seen to be unique in the
market place. Moto also dressed their CMOS logic family in tartan and
called it McMos being a pun on M CMOS = Moto CMOS.


--
Graham W http://www.gcw.org.uk/ PGM-FI page updated, Graphics Tutorial
WIMBORNE http://www.wessex-astro-society.freeserve.co.uk/ Wessex
Dorset UK Astro Society's Web pages, Info, Meeting Dates, Sites & Maps
Change 'news' to 'sewn' in my Reply address to avoid my spam filter.
 
"Graham W" (graham@his.com.puter.INVALID) writes:
Thinking about the 'Hobbyist, Experimenter, Professional' bit,
I reckon that the phrase is concocted to use those letters because
they really stand for 'Homo-Eptiaxial Planar' which Moto will have
registered - or something like that.

Surely they picked "Hep" so that anyone using the replacement line
Click to expand...
would be Hep-cats.

Michael
 
(0 wrote:

Here is an interesting one. I won't call it ugly because I got in
trouble for that last time (but it is). Anyone have any specs on
this. Google turned up zilch except a page in russian that I can't
read and the typical parts houses with every part number under the
sun
listed. The part number is 2N2118. Gigantic NPN power transistor
with part porcelain body. Looks like it was expensive and hard to
make. Still tests good on a go/no go type tester. Would also like
to know the original applications for a power transistor of this
size. If anyone has info on this, I would appreciate it.
Click to expand...
I seem to remember that those were used in the powersupplies of some
Sperry computers (1004, 1050?).
 
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