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Thread: Transistor identification help!

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    Transistor identification help!

    Hey all, need help identifying a transistor, it’s a 3 lead bipolar transistor with the markings aasps at the top and 953 at the bottom just looking for a replacement part number but nothing matching those comes up from my searching.

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    Supporting Member The Dude's Avatar
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    Can you provide more info? What case style? What is it out of and what circuit? Do you have a schematic and a designation number? It might be easier to determine what it is knowing what it does in the circuit. A picture might help, too.

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    Master Destroyer nosaj's Avatar
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    Quote Originally Posted by The Dude View Post
    Can you provide more info? What case style? What is it out of and what circuit? Do you have a schematic and a designation number? It might be easier to determine what it is knowing what it does in the circuit. A picture might help, too.
    Maybe? More info definately required.

    nosaj
    NEC - datasheet pdf

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    Supporting Member The Dude's Avatar
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    That (2SA953) was my first guess, but without more info, it's just a guess.

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    I think that the number is SPS953, Peavey used them in some things. Try looking at the Peavey cross reference sheets.

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    Supporting Member Jazz P Bass's Avatar
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    Pvy X ref for SPS953: PV Semi Cross Ref.pdf

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