[AMPS] Diodes

[2@vc.net (measures)]

>Rich says:
>
>>On each cycle,   'equalised" diodes are forced to have unequal reverse 
>>currents by the "equalisation" circuitry. 
>
>So what? That doesn't matter. What causes breakdown in the junction is
>excess reverse current, leading to heating which causes more current
>which....etc. It doesn't matter if the currents are unequal. What does
>matter is if the voltage across one junction gets so high that the junction
>breaks down,

Two diodes rated at 100piv minimum are connected in series.  One diode 
measures 101piv and the other measures 190piv.  The diodes are wired in 
series.  No ''equalization'' is used.  A mains surge of 250p-v appears.  
Does either diode conduct in the reverse direction?

Two diodes rated at 100piv minimum are connected in series.  One diode 
measures 101piv and the other measures 190piv.  The diodes are wired in 
series.  ''Equalization'' is used.  A mains surge of 250p-v appears.  
Does either diode conduct in the reverse direction?

>.......

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