Originally posted by redkurn
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So the 23R has to be D to S. That means the ON semi datasheet is correct for the ON semi J111. If you still have the old 2N5638 you will find the low resistance (approx.20 to 50R) between pins 2 and 3. So the ON J111 should be installed facing opposite of the 2N5638, which I believe is how you did it.
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