DEC H7822 power supply

Christian Corti cc at informatik.uni-stuttgart.de
Wed May 11 02:49:47 CDT 2022


On Tue, 10 May 2022, Peter Coghlan wrote:
> Ahead of the 78M09 is another TO220 package marked D45H8 which seems to
> be a transistor.  Then I am completely lost.  I can't find the rectifier

That TO220 part would be the rectifier. It either has two legs (simple 
diode) or three (two-wave rectifier with presumably common cathode).

Christian


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