by Greg Procter <procter@[EMAIL PROTECTED]
>
Jun 6, 2008 at 01:22 PM
Robert Heller wrote:
>
> 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.
4.5/9kHz.
