So these characteristics will make these inductors to use in high-frequency applications. Ferrite core inductors have low eddy current losses, high electrical resistivity, and high permeability.
The ferrite core inductor characteristics include the following. This is mainly due to placing a number of wire turns around a loop, and then it focuses the magnetic field into a minor space, wherever it can be more efficient & produce more inductance. If N = 20, L = 375/ = 375/ = 375/25 = 15uH.įrom above we can notice that when N increases then the inductance will be increased.
The following formula is used to calculate the inductance (L) value by using the AL value for ‘N’.įor instance: If N is 10, L = 375/ = 375/ = 375/100 = 3.75uH. For instance, if you measured the ‘L’ value in Step-1 as 15 uH, then the equivalent ‘AL’ value will be:ĪL = x 15uH =( 5^2) x 15uH = 25 x 15uh = 375 uH.
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