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Discussion in 'Electronic Repair' started by bob urz, Aug 2, 2008.

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  1. bob urz

    bob urz Guest

    I am trying to track down some inverter driver chips.
    Not sure if there fets or transistors.
    They are in 8 pin flat packs SM
    4410 bf l28ca
    4425 af l28c

    pins 1,2,3 hooked together

    pin 4 seems to switch/gate input
    pin 5,6,7,8 hooked together.

    there labeled as Q numbers on the silk screen, bu that does not mean
    there not fets.

    any ideas?

  2. Franc Zabkar

    Franc Zabkar Guest

    They're both MOSFETs, one P-channel, the other N-channel.

    - Franc Zabkar
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