Re: A Bridge Replacement A Good Idea?
- From: Pooh Bear <rabbitsfriendsandrelations@xxxxxxxxxxx>
- Date: Sun, 18 Sep 2005 04:39:14 +0100
John Popelish wrote:
> Ron Hubbard wrote:
> > I found the following strobe project at:
> > http://sound.westhost.com/project65.htm
> > but I wasn't thrilled with the big diodes the circuit calls for. Rather than
> > buying four stud diodes, I decided to replace them with a single 4A, 1000V bridge
> > rectifier. Does anyone see a problem with this?
>
> No. With a 1 amp line fuse, the 1N4007 diodes the author recommends
> against, would do fine. I wouldn't go over a 2 amp fuse with your
> rectifier. Are you heat sinking it?
Ahem ! Are 1N4007s going to stand up to the 32A peak charging current ?
A 4A bridge is very sensible.
You don't *seriously* think a normal 1A mains fuse will 'protect' 1A semis do you ? The
semis have to be rated according to the application.
Graham
.
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