Hmmm... good question!
I've been thinking about reverse current generated in the flyback when the
CRT is discharged... Could this inductive kick be the cause of the diode
failures? When the magnetic field collapses in a transformer, you get one
heck of a kick in the complimentary windings. Could this cause a reverse
current through the diodes which is well beyond their spec? Maybe even a
potential much higher than their reverse breakdown voltage? I'd think
that'd play quite a role! <grin>
John
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Received on Wed Apr 26 15:06:01 2000
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