[Moon] [Moon-net] Power MOSFET failure

Jeffrey Pawlan jpawlan at pawlan.com
Sun Mar 16 00:09:51 CET 2008


I have seen that failure with early Eriksson power LDMOS transistors and that
was because of a semiconductor process problem. I do not think that Motorola had
this problem so I suspect a transient over-voltage spike on the gate may have
caused your problem. If it were my amplifier, I would replace the transistor
before operating again because it will likely fail just when you need it during
a contact.

73,

Jeffrey Pawlan  WA6KBL





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