gortmagnussen

Thanks for the info, close, but no cigar.....I shall persevere ...... The unit has a 16 pin isolated base package, and thus far I have had no luck tracking down any information, other that to guess that it was of Sanyo manufacture......

Is what you are talking about a stud welder (used to spot weld threaded studs) onto e.g steel sheet ?

I am looking for pinouts / datasheet for a (SANYO ?) STK789 - It is a thick-film voltage regulator (switching) Thanks