inductorModeling Non-Ideal Inductors in SPICE Martin O’Hara Technical Manager, Newport Components, U.K. November 8 1993 Abstract The non-ideal inductor exhibits both resonance and non-linear current characteristics. These effects can be modelled in SPICE by adding only 3 additional elements to model the real inductor characteristics of dc resistance, wire capacitance and magnetic core loss. The values for these model parameters can all be obtained from standard data sheet parameters via a few simple calculations. The resulting model gives accurate impedance and phase simulations over a wide frequency range and over the peak resonance frequency. The dc current saturation characteristics is modelled by a simple 2nd order polynomial that gives a close simulation to measured performance over 2.5 time……