[AMPS] Re: PS diode equalizing

[Rich Measures]

>Rich says:
>
>>?  In days of yore, folks commonly used 1w-rated resistors for equalizing 
>>1000piv diodes. 
>
Peter:
>This whole business of overrunning resistors on voltage rating has appeared
>before, on equalising voltages on series strings of electrolytics. I guess
>Rich (and he isn't the only one) has made the point that it's just bad
>practice, and it doesn't matter if it's a resistor across a diode or across
>an electrolytic, or whatever, it's still asking for trouble.
>
>> The max. rated potential for a 1w resistor is typically 350v.  
>
>You can get 500 volt rated ones  -  I think from Philips. Not common,
>though.
>
€  agreed  However, without equalization resistors, there is equal 
reverse current in each diode -- provided that the diodes are similar.  


Rich...

R. L. Measures, 805-386-3734, AG6K, www.vcnet.com/measures  


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