DPCAV
Toroid Ferrite Core EMI/RFI Suppressor, 13mm
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| Example GPS RFI Filter | Click Me! |
These Toroid Ferrite cores are useful for suppressing EMI/RFI. Applications range from audio/video equipment wiring, R/C installations, and much more.
Outside diameteter is 0.5 inch (13mm) and the inside diameter is 0.3 inch (8mm).
The ferrite material used has a permeability of 850µi and is similar to Fair-rite type 43.
For effective common mode EMI/RFI suppression all you need to do is wrap several turns of cable around the bobbin shaped core (more turns = more suppression). These aren't effective in every electrical noise situation, but they are the first line of defense when EMI/RFI problems are encountered.
The photo below shows an example of a 32AWG 3-wire cable that has a Toroid installed on it.
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Found 11 years, 8 months ago