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Size matters ...

The article mentions 5 items when selecting ferrite beads.

1) increasing the length of the portion of the conductor surrounded by the ferrite
2) increasing the cross sectional area of the ferrite (especially for power applications)
3) selecting a ferrite with an inner diameter most closely matching the outer diameter of the wire or wire bundle to be filtered
4) Ferrite core material for band width and frequency
5) Using 1 or 2 winds (but not more than 2).

I have some RatShack beads from another project, but the are way too big for #3's requirement and I have no idea what material they are made of.

What type and size of beads did you use for your P24 ???

Thanks,
Tim


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  • Size matters ... - EmailTim 23:56:07 05/28/11 (0)

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