[Amps] PIV requirement for identical, individual diodes used in a bridge rectifier configuration?

Rob Atkinson ranchorobbo at gmail.com
Fri Apr 20 10:03:38 PDT 2012


I think you need more than 2 KV. maybe around 9 KV  but I stink at
remembering the tech. details because I can't remember what I had for
lunch yesterday.  But why don't you just use 6A10s and be done with
it.  No surprises--and they're around 50 cents each.

73

Rob
K5UJ

On Fri, Apr 20, 2012 at 11:17 AM, David Feldman <wb0gaz at yahoo.com> wrote:
>
> In my example, a 1600VAC transformer secondary is connected through bridge rectifier (built from 4 individual diodes each rated 2000V PIV; current is not a concern here) into a filter capacitor. Do I proceed as if the PIV is 4KV (due to two reverse-biased diodes in series), or if not, how do I determine the appropriate diode rating requirement?
>
> Thanks very much for any references or suggestions,
>
> Dave
>
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