On Mon, 25 Jan 2010 22:58:00 -0600, chas wrote:
>ok, micrometals material codes are completely different from Fair-Rite.
>so, what does Fair-Rite #31 = in MMetals?
>ditto question of F-R #43 = in MMetals??
They are not "different codes." they are VERY DIFFERENT MATERIALS, have
VERY different properties, and used for different purposes. Micrometals
makes powered iron, which are primarily used for inductors. Fair-Rite
makes ferrites, which are used as inductors, transformers, and
suppressors.
Fair-Rite #43 is a pretty generic VHF suppressor material, and several
other companies make equivalents. Fair-Rite #31 is a new mix they
developed about 10 years ago, and as far as I know, hasn't yet been
copied.
>where is the scientific data on their products, etc?
See their website.
It is CRAZY to go to all this trouble to try to find "generic
equivalents" to Fair-Rite parts simply because Amidcon and Palomar are
raping us with their prices. Instead, simply go to industrial
distributors of Fair-Rite parts and buy them at the right prices, not
Amidon or Palomar's inflated prices.
73,
Jim Brown K9YC
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