James Sweet wrote:
"Sam Goldwasser" wrote in message
...

"N Cook" writes:
Don't diodes tend to fail shorted?



I can't think of one offhand that didn't, except in cases that it was
reduced to a charred crater in the board.



I seem to recall that the old selenium rectifiers tended to fail open
(after making a really bad smell, as I recall). It's been quite a while
since I saw one of those, though. These were the ones that looked kinda
like a stack of square bits of sheet metal with a bolt through the middle.