Charts for Ferrite Inductor Design

Courtesy of Fair-Rite Magnetics

CORRECTED formula included

K = n^(1/n^0.42517) where n = lr/lc and n 2.0 to 4.0.


NOTE that 1/n is plotted below!

LC to LR ratio Conversion

Kfactor = lr/lc^(lc/lr^0.42517)

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