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#1
10-09-2017, 11:49 PM
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Transistor Identification?
Does anyone know what this transistor is? It's on a little SG type oscillator so I'm guessing it is a NPN but do not know what company that symbol goes to. Nobody as Mouser or Digikey can identify it.
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Sincerely,
Aaron Murakami  
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#2
10-10-2017, 03:06 AM
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best guess is Thomson TO-92
logo 1 x BUW52 NPN Power Transistor 250V 150W 250V 20A Thomson TOP-3L 1pcs | eBay
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#3
10-10-2017, 03:35 AM
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Its a bit of a minefield trying to identify transistors from the billions Aaron. I wonder might I suggest you invest in a simple tester something like this one
https://www.banggood.com/Transistor-...l?rmmds=search It quickly goes through a few tests identifies the component and it orientation and then all the operating parameters so you've got a fighting chance to closely match it to the transistor tables and specs. or simply try a few in the instrument until you find a pretty good match. Its a bit frustrating that you'll have to lift a couple of legs or cut the PC to apply the test still its the best suggestion I can offer. works for me even doing pretty good matching of push pull circuits kind regards Duncan 
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Whatever you can do,or dream you can,begin it.Boldness has genius,power and magic in it.Begin it now.
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#4
10-10-2017, 03:45 AM
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Hi Aaron,
Possibly 2N5249, which is NPN, 50V 0.1A V
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'Get it all on record now - get the films - get the witnesses -because somewhere down the road of history some bastard will get up and say that this never happened' General D.Eisenhower http://www.nvtronics.org Last edited by blackchisel97; 10-10-2017 at 11:18 AM.
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#5
10-10-2017, 08:36 AM
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Hi blackchisel - might be some trouble from my end but it seems your link isn't playing the game right now - regards D
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Whatever you can do,or dream you can,begin it.Boldness has genius,power and magic in it.Begin it now.
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#6
10-10-2017, 11:13 AM
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Quote:
V
__________________
'Get it all on record now - get the films - get the witnesses -because somewhere down the road of history some bastard will get up and say that this never happened' General D.Eisenhower http://www.nvtronics.org
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#7
10-10-2017, 10:53 PM
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2n2222
Thanks for all your input - Duncan, I like that Transistor tester, will have to get one of those.
I heard from someone that worked on this particular circuit that it is equivalent to a 2N2222 so that makes it easy. Mystery solved!
__________________
Sincerely,
Aaron Murakami
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| Tags |
| company, digikey, guessing, identification, identify, mouser, npn, oscillator, symbol, transistor, type |
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