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Refugee · 16th Apr 2019, 11:32 am

I have found that most bench power supplies rely on the VBE of a transistor often the output one for the current limit sensing.
The output and sensing transistors would need to changed as a pair.

16th Apr 2019, 11:32 am	#11
Refugee Dekatron Join Date: Apr 2012 Location: Worksop, Nottinghamshire, UK. Posts: 5,554	Re: Replacement power transistors hfe. I have found that most bench power supplies rely on the VBE of a transistor often the output one for the current limit sensing. The output and sensing transistors would need to changed as a pair.