Transistors substitute?

Greetings:

Be advised that “substitute” is a term that has substantially different meanings to different people…

Can’t say yes or no, for a variety of reasons:

  • Section ii.15 of the terms and conditions stipulate that that it’s the purchaser’s responsibility to determine suitability for use. That is necessarily so because:
  • There’s no telling from here what else might be busted, which is quite likely. If one’s concept of “work” means “replacing will restore function,” then in that case even the original part number would not “work”.
  • Without understanding the original criteria for device selection, one has no basis for making judgement calls as to what variations from the original might be tolerable.

Actually it’s probably not a bad option to consider, owing to the fact that FET drain current ratings actually mean something very much different than the casual observer may expect.

Can’t really comment, for similar reasons as above. Any repair effort one would undertake without first developing a working knowledge of the design is a dice roll.

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