Unknown Power Transistor

V

VMI

Guest
Hi Folks,
I have a bunch of RCA transistors coded 18397 in a TO3 housing.
Can anybody give me an idea of the properties of this item?
Thanks,
Marco
 
"VMI" <VMI@Advalvas.be> wrote in message
news:414f37d9$0$8997$ba620e4c@news.skynet.be...
Hi Folks,
I have a bunch of RCA transistors coded 18397 in a TO3 housing.
Can anybody give me an idea of the properties of this item?
Thanks,
Marco
Click to expand...
Assume they're the same as a 2N3055. You didn't say if they are NPN or
PNP. Check that first.
 
High Watson,
What make you think it's a 2N3055?
To know if it's a NPN or PNP?
I rather like to see a data sheet of this component.
I have about 3500 pieces of this and like to know how far I can go in using
them in Power Amplifiers and PSU's.
Thank you any way for your reaction.
Marco


"Watson A.Name - "Watt Sun, the Dark Remover"" <NOSPAM@dslextreme.com> wrote
in message news:10kvfntdp2fqncc@corp.supernews.com...
"VMI" <VMI@Advalvas.be> wrote in message
news:414f37d9$0$8997$ba620e4c@news.skynet.be...
Hi Folks,
I have a bunch of RCA transistors coded 18397 in a TO3 housing.
Can anybody give me an idea of the properties of this item?
Thanks,
Marco

Assume they're the same as a 2N3055. You didn't say if they are NPN or
PNP. Check that first.
Click to expand...
 
"VMI" <VMI@Advalvas.be> wrote in message
news:414fc71b$0$22087$ba620e4c@news.skynet.be...
High Watson,
What make you think it's a 2N3055?
To know if it's a NPN or PNP?
I rather like to see a data sheet of this component.
I have about 3500 pieces of this and like to know how far I can go in
using
them in Power Amplifiers and PSU's.
Thank you any way for your reaction.
Marco
Click to expand...
Generally, transistor in the TO-3 package are rated at 150 watts. The
2N3055 is conservatively rated at 115W, which is mediocre but still a
lotta power. So if you have so many power transistors, you can parallel
them for as much power as you need. ;-)

The breakdown voltage would be the next thing to find out. THey might
be horizontal output transistors from TVs, which are good for several
hundred volts. But the one thing that may come back to haunt you is the
SOA, safe operating area. You could easily blow out the transistor if
you exceed the SOA.

But then that's no problem, just use good quality sockets and keep a
handful of the transistors on hand!

BTW, I've got a couple hundred TO-3 sockets, if anyone is interested..


"Watson A.Name - "Watt Sun, the Dark Remover"" <NOSPAM@dslextreme.com
wrote
in message news:10kvfntdp2fqncc@corp.supernews.com...

"VMI" <VMI@Advalvas.be> wrote in message
news:414f37d9$0$8997$ba620e4c@news.skynet.be...
Hi Folks,
I have a bunch of RCA transistors coded 18397 in a TO3 housing.
Can anybody give me an idea of the properties of this item?
Thanks,
Marco

Assume they're the same as a 2N3055. You didn't say if they are NPN
or
PNP. Check that first.
Click to expand...
 
Hi Watson,
As I whas blinded by the huge qty of devices I couldnt see clear.
You opened up my eyes and to earn a 1000 $ is very interesting.
BTW, How much you ask for these sockets?
Cheers for now,
Marco

"Watson A.Name - "Watt Sun, the Dark Remover"" <NOSPAM@dslextreme.com> wrote
in message news:10kvkk9ho5ll60a@corp.supernews.com...
"VMI" <VMI@Advalvas.be> wrote in message
news:414fc71b$0$22087$ba620e4c@news.skynet.be...
High Watson,
What make you think it's a 2N3055?
To know if it's a NPN or PNP?
I rather like to see a data sheet of this component.
I have about 3500 pieces of this and like to know how far I can go in
using
them in Power Amplifiers and PSU's.
Thank you any way for your reaction.
Marco

BTW, if you can't find out anything, you can sell them on Ebay, and if
you get 29 cents apiece, you'll make a thousand dollars. ;-)


"Watson A.Name - "Watt Sun, the Dark Remover"" <NOSPAM@dslextreme.com
wrote
in message news:10kvfntdp2fqncc@corp.supernews.com...

"VMI" <VMI@Advalvas.be> wrote in message
news:414f37d9$0$8997$ba620e4c@news.skynet.be...
Hi Folks,
I have a bunch of RCA transistors coded 18397 in a TO3 housing.
Can anybody give me an idea of the properties of this item?
Thanks,
Marco

Assume they're the same as a 2N3055. You didn't say if they are NPN
or
PNP. Check that first.
Click to expand...
 
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