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mpsa42

  1. PE9ZZ

    Denon PMA-1560 unobtanium MOSFETs

    I am working on two of these beasts. Both have one channel blown to smithereens due to the driver MOSFETs failing. These devices, 2SJ78 and 2SK215, are low power versions of the well-known lateral audio MOSFETs like 2SJ161/K1057 and have a TO220 case with drain and source terminals swapped. I...
    • PE9ZZ
    • Thread
    • 2sj78 2sk215 denon drivers mj15032 mosfet mpsa42
    • Replies: 34
    • Forum: Solid State
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