On Wed, 2012-05-09 at 12:02 -0400, gene heskett wrote:
No a perfect looking joint had no contact to a pin, it only had conatct
to the board.
> I'm not familiar with that particular diode. However power rated switching
Indeed. the HER 303 with 50ns is the second fast diode we found. Thomas
searched a lot and found another diode with 25ns or similar fast. He
never has seen such a fast diode in another switching supply.
I don't have any experiences. Yesterday I learned it and why just one
diode is needed.
> 3 kilovolts peak
That's why I would like to live in a house with several stages of
overvoltage protection. Those spark gap thingys from the DYI market or
the same crap 100 * more expensive from the musical instrument dealer
won't help if this happens. Even if the peak would be slow.
> Light bulbs and small equipment fuses didn't last as long as they should
And it easily could go through the computer too.
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