[Amps] 4CX1500B QSK

[R.Measures]

In a message dated 11/1/04 12:37:05 PM Central Standard Time, 
r at somis.org writes:

>> Indeed, Karl-Arne.  An even less expensive solution is to guard the
>> DC-floating cathode circuitry with 2, 800piv 3A diodes in series to
>> gnd.  Thus, if the HV+ arcs to gnd, the potential across the 2 diodes
>> tries to rise from 1250v-neg. to > 1600v-neg., the diodes 
>> fail-shorted.
>>   and the HV+ glitch-R dissipates the joules stored in the HV filter-C
>> until the mains-breakers trip.


> Rich,
>  Can you count on the PIV ratings of the diodes to be that accurate?

Steve -- I measure a batch and pick out the ones that will total what's 
needed.

note -- Your e-mailer app. is doing attributions correctly so I added 
them in manually.

>  That has not been my experience unless I had tested them for 
> breakdown (non-destructive of course) first.
>
> Regards,
Dennis O.

Richard L. Measures, AG6K, 805.386.3734.  www.somis.org