John Woodgate noted

>> A lever might be that you will only call up ferrites that conform to the
standard, i.e. Japanese, Chinese and Taiwanese products. (;-) <<

Yes, absent a "NEMA ferrite" that's how it works; everyone selling the same
product against each other. When you explain to a manufacturer that "that's
a fantastic ferrite -- but I can't use it because there's no other source,"
they get the idea.  It helps if you buy a zillion of them. Of course, if,
as a former employer did, you quit making computers and have already BOUGHT
a zillion ferrites, you can put them on pegboards n your retail stores. 


Cortland


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