Paul,
See my long post. Two stacked FT-50-43 cores would have just about the
same impedance as a single FT-50-31 (if that part was made).
73, Larry W0QE
Paul Christensen wrote:
>> Rair_Rite makes several sizes and whoever you contacted at Amidon sure
>> didn't know their product line as I've purchase several sized toroids of
>> Fair-Rite's mix 31 form Amidon.
>>
>
> But not in small, flat donut cores, according to the Fair-Rite on-line
> catalog.
>
> Fair-Rite appears to manufacture only clamp-on cores, elongated cores, and
> large flat donut cores in #31 material. Ideally, I need something like the
> FT-50 core size (e.g., 0.5" diam. x 0.188" thickness) in #31 material. From
> the Fair-Rite catalog, nothing even close is manufactured by the vendor.
>
> Paul, W9AC
>
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