Topband: Ferrite Cores

[Tim Shoppa]

Fair-Rite 2631803802 is the Amidon FT-240-31. Available at Mouser,
Newark, Arrow, and other places. Mouser part # 623-2631803802. Mouser
says they have 1589 of them in stock :-).

I have a personal cross-ref between some Amidon and Fair-rite numbers.
Not sure if I'd get in trouble for publishing it (I remember when I
got chewed out here for suggesting Laird/Steward equivs). I don't
think it's a big secret - the Fair-Rite part numbering system for
toroids and binocular cores seems pretty transparent.

I like to use a white paint marker to put mix numbers on big cores as
I unpack them :-)

Tim N3QE


On Mon, Aug 4, 2014 at 5:54 PM, Hugh Valentine <hsvdds at juno.com> wrote:

> K9YC touts the benefits of the 2.4" O.D.  Mix #31 Core.
> Anyone know a good source?
> I bought a hand full from Arrow last year, now theirs are on back order.
> Other sites seem pricey.
>
> Anyone have good inexpensive(relatively) source?
> Thanks
> Val
> P>S> The Bird-feeder needs some sprucing up and thought would try these on
> her.
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