At Thu, 05 Jun 2008 18:54:13 -0500 Rick Jones
<r.t.jones@[EMAIL PROTECTED]
> wrote:
>
> Ian Jackson wrote:
> > 1x bridge rectifier (4 diodes) eg Fairchild DF08M 15.2p
>
> Those are only rated at 1.5A. I doubt that I'd trust anything rated
> less than 5 amps, and preferably more just to be safe. My old brass
> locos could easily pull 2 amps when heavily loaded. Double head a couple
> and... well, you get the idea.
> Also I sort of wonder about the reliability of using standard
> rectifier diodes or diode bridges on the higher frequency DCC power. I
> suspect some of those bridges designed for use on 50 or 60 Hz power may
> not have a fast enough shutoff time when the signal reverses.
>
I suspect that silicon rectifiers diodes less than 10 amps switch at
speeds well above 'higher frequency DCC'. DCC only switches in the
kilohertz range.
--
Robert Heller -- 978-544-6933
Deepwoods Software -- Download the Model Railroad System
http://www.deepsoft.com/
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