5mm Snap-on Ferrite Clip

Brand: Ham Goodies
Product Code: HG-SF5
Availability: 31

Price: £1.00

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A 5mm Snap-on ferrite clip for keeping RF out of keyboards/mice and other Shack peripherals. Works wonders on keyboard/mouse lock-ups and also reducing breakthrough on "Hi-Fi" speakers. Fits nicely over RG58.

5mm inner diameter

We also a 13mm diameter version.

This generic brand has similar properties to 43-mix - If you plan on using snap-on ferrites on coaxial cable (especially at HF frequencies), it's advisable to use a proper 31-mix Fair-Rite core such as the Problem Solver.

A note about ferrites, mixes and RFI/Noise QRM :
There is no guarantee that any ferrite will cure noise on your radio, and it may not be possible to "filter" any noise from your neighbour's equipment that is radiating in the air (eg: solar-panels, greenhouse/fish-pond equipment etc). "Ferrite-on-cable" is the best approach, and significant gains can usually be obtained by getting your own house in order before tackling external sources. Experimentation with placement, turns and quantity of ferrites is key - there is never a one-size-fits-all solution!