[Amps] Amps Digest, Vol 264, Issue 3

Jim Brown jim at audiosystemsgroup.com
Tue Dec 3 14:37:43 EST 2024


On 12/3/2024 11:18 AM, Douglas Zwiebel wrote:
> Fair-Rite on YouTube on split-core ferrites having different
> characteristics from solid core:

Fair-Rite makes at least 20 different ferrite materials, each tweaked 
for specific and often very different performance characteristics for 
product applications. They range from large and small power handling 
over various frequency ranges (think power supplies, controllers), to 
linear RF small and large power and frequency ranges, to EMC 
suppression, again in various frequency ranges and power handling.

The Fair-Rite catalog, something like 300 pages, can be downloaded from 
their website as a pdf. To find it, click on something like order a 
catalog, and poke around until you find the link. It is VERY detailed, 
with a ton of engineering data. It's possible to learn a LOT about 
ferrites from studying it. The first 30-40 pages have detailed data on 
each mix, much of it in the form of plots.

73, Jim K9YC



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