[RFI] Is a Micrometals T44-52 a useful Ham toroid?

[kd4e]

I have come upon a source of toroids 5/8" x 5/8" x 3/8"
thick.

They contain a 7/16" diameter powdered iron core
(Micrometals T44-52) wound with approximately 7 turns
of copper wire for a nominal inductance of 1.7 uH at
0 DC current.

They are marked with the part numbers; HM00-98502, BI 9839 M

Would these be useful as-is or rewound for dealing with
RF problems in the Shack or elsewhere?

Does the size or type indicate power handling capacity
and frequency relevance?

At 3 cents each they seemed worth asking about!

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Thanks! & 73, doc, KD4E
Personal: http://bibleseven.com/kd4e.html