How to Choose Desired Inductors for Your Application?

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Different types of inductors pose different specifications in different parameters. Due to the difference in inductor parameters, specific applications require special types of inductors. Therefore, It is essential to know what are the different types of parameters processed by an inductor.



Any Inductor will have the following parameters-

  1. Inductance.

  2. Coil DC resistance or DCR.

  3. Rated current.

  4. Core construction and permeability.

  5. Self-Resonant frequency.


Generally, in CCM (Continuous conduction mode), a higher value inductor is required than the DCM (Discontinuous conduction mode). The SRN8040 series offers inductor values from 0.5uH to 100uH.

The next step is to determine the inductor current. Inductor offers two types of inductor current, RMS current and saturation current. RMS current is the equivalent DC current that will pass through the inductor. It is important to select larger Irms inductors than actually required.

The saturated current is the limit when the inductor will saturate and the inductor value will drop significantly. However, saturated current Isat will always be larger than the Irms of an inductor.

Know more about How to Check for Saturation Current, Core Loss, and other Parameters to select an Ideal Inductor for your Design

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