On 11/10/2021 12:01 PM, Chuck Gooden wrote:
Could someone explain where the FT240-31 designation for ferrites came
from.
The FT240 designation came from Richard Amidon, so that his company
could re-sell parts that Fair-Rite manufactured at exorbitant markups
(like 5X their cost). The real part numbers of the most parts most
useful to hams are here.
k9yc.com/RFI-Ham.pdf
and at https://www.fair-rite.com/
Fair-Rite is a family-owned US company with manufacturing both in the US
and their own factory in China.
73, Jim K9YC
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