There are four main factors that affect the amount of inductance of an inductor: the number of turns in the coil, coil area, coil length and core material. The inductor can be approximated as an open circuit for AC signals and as a short circuit for DC signals. Inductors oppose a change in current by inducing an electromotive force (or e.m.f ) according to Lenz’s Law. They store energy in the form of magnetic fields as long as a current is flowing. Inductors are two-terminal components used for filtering, timing and power electronics applications. We have included some recommendations for commonly used inductor series with high supply chain availability from the new Common Parts Library, which includes parts from the Shenzhen supply chain via Seeed Studio’s Open Parts Library. In this blog, we will explain all the different types of inductors, their merits and demerits, and their popular applications. We started off this series by writing “ How to select a capacitor ,” followed by “ How to select a resistor,” and are continuing with a close look at inductors. When I was working on the the latest version of the Common Parts Library, I realized that it would be helpful to explain why you might pick one type of inductor over another.
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