Re: Mike Marcum Ferrite Cores

["Tesla list" <tesla@xxxxxxxxxx>]

Original poster: Terry Fritz <vardin@xxxxxxxxxxxxxxxxxxxxxxx>

Hi,

I think the powder for ferrites is really nasty with all kinds of 
heavy metals and such.  You definitely don't want to breath that at all!!!

Cheers,

        Terry

At 09:28 PM 10/11/2005, you wrote:

> Maybe you can try asking them for a sample quantity of the powder, 
> to see if you want to buy a truckload later on...
>
> > From: "Tesla list" <tesla@xxxxxxxxxx>
> > To: tesla@xxxxxxxxxx
> > Subject: Re: Mike Marcum Ferrite Cores
> > Date: Tue, 11 Oct 2005 18:30:30 -0600
> >
> > Original poster: "Mike" <mike.marcum@xxxxxxxxxxxx>
> >
> > Well, if you buy 'em you probably won't want to grind em up lol. 
> > They're good for up to 1 MHz, tho their max sweet spot is 500 kHz. 
> > So they'll probably work for what you have in mind. The down side 
> > is that they have a $600 minimum order and 10-week lead time at the 
> > time I ordered them late last year. They're more of a manufacturer 
> > than a distributer/vendor (couldn't find one..............