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2SB178 and BC108

Discussion in 'Electronic Basics' started by padmow, Jun 10, 2005.

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  1. padmow

    padmow Guest


    I'm wondering if there is any match pair for PNP transistor 2SB178.

    Also the match pair fo NPN transistor BC108.

    is there anyway I can search for the match pair of both transistors by

    Thank you
  2. The pnp counterpart for the BC108 is the BC178. Their typenumbers tells them
    to be small signal, general purpose silicium transistors. The 2SB178 is a
    Japanese type and their numbers has no relations with either European or
    American part numbers. FAIK it's an old low power low frequency pnp
    germanium transistor ever produced by Matsushita. I guess - just guess -
    they were used in the output stages of the two- and sixtransistor
    pocketradios at the time.

    petrus bitbyter
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