Re: Terry's DRSSTC - All Ready!! - MMC rating

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: "Mark Broker" <mbroker@xxxxxxxxxxxxxxxx>

Terry, you had tested them again in May of 2003, actually:
http://www.pupman.com/listarchives/2003/May/msg00682.html

Looks like 15+Amp at 10C rise in that test, which ought to reduce your temp 
rise a fair bit. :)

Mark Broker


On Sat, 05 Mar 2005 18:00:26 -0700, Tesla list <tesla@xxxxxxxxxx> wrote:

> Original poster: Terry Fritz <teslalist@xxxxxxxxxxxxxxxxxxxxxxx>
>
> Hi Mark,
>
> I just picked up the 13.5Arms off the data sheets...  I had long forgotten
> that I tested them to 8 amps back in 2000...
>
> The caps seem smaller (less diameter these days to me too).  I know that
> there was some industry wide change to the films about 2 years ago that
> raised there temperature ratings.  So maybe CD and the rest figured
> something out that helps them run at higher currents these days.
>
> I will have to try to retest them sometime to see if they have indeed
> improved something.
>
> Cheers,
>
>          Terry
>
>
> At 04:35 PM 3/5/2005, you wrote:
> > Terry,
> >
> > What is it about your configuration that allows them to tolerate a higher
> > current than the rating you measured a couple years ago?  Frequency?
> >
> > Mark Broker !
> > Chief Engineer, The Geek Group
> >
> > ....................
> > > The maximum RMS current they can see in the present configuration is 19.4
> > > amps as opposed to their 13.5 rating.  That gives a temp rise of
> > >
> > >   (19.4 / 13.5)^2 x 10 = 21C
> ...........