Reread post #28
**broken link removed**
"In the bottom left corner is an N FET drawing similar to what I had when I Killed my FETs, minus the cap. I figured there was something weird going on and the dv/dt sounds correct, I was suspecting that the gate was charging backwards (blue circle) when off and when the switch was closed, it discharged and recharged 'violently' punching a hole in the gate insulator and killing the FET.
originally attributed to noise, dv/dt makes real good sense to me. I reverse charged the gate with a diode checker and got conduction in one direction only, doing so with the power of closing a switch to, or touching a wire to, the gate would create a high dv/dt, considering dt is extremely small.
I guess I just believe that it was dv/dt that killed a couple of high power FETs when current was limited to < 1 amp! and no, I haven't been able to find any specs about dv/dt on the data sheet.
kinarfi