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Help Identifying this TO-XX Three Lead IC

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chiques

New Member
Hello Everyone,
I was wondering if anyone can give me any tips on identifying the part below. The part itself has printed "C3866 / '69". I searched this via Google but had no luck. Does anyone have any tips?

 

RadioRon

Well-Known Member
I doubt it was a guess. Experienced people just know lots of stuff. That's kinda what they mean by experienced.
 

Boncuk

New Member
Japanese semiconductor manufacturers save on paint. :)

The prefix "2S" is omitted on all transistors like 2SAXXX, 2SBXXX and 2SCXXX.
 
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