Inductor equations

Inductive reactance X_{L} increases linearly with frequency.

Figure: Inductive reactance vs frequency

An ideal inductor would have zero capacitance and zero resistance. A real inductor can be modeled by the following elements:

  • a series inductor L
  • a series resistor R_{DC} or R_{S}
  • a parallel capacitor C_{P} and
  • a parallel resistor R_{P}.

R_{DC} is provided on the datasheet of the inductor.

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