Ferrite Core Inductors in ECE Academic Lab Slides by Zachary Chan
Explore the advantages of ferrite core inductors over iron core, including reduced core losses and applications in high frequency circuits. Learn about soft ferrite vs. hard ferrite and their respective uses in inductors. Discover the benefits of ferrites in various electronic applications such as switch mode power supplies.
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Presentation Transcript
FERRITE CORE INDUCTOR GT ECE ACADEMIC LAB SLIDES BY ZACHARY CHAN
OVERVIEW Ferrites are non-conductive, ceramic iron- based material Made from metals like copper, magnesium, nickel, and/or zinc along with iron They are ferromagnetic because of their iron content, but they are not completely iron, so core losses are reduced Smaller than iron core inductors
SOFT FERRITE VS HARD FERRITE Soft ferrites can change the polarity of their magnetic field without a significant amount of energy needed Hard ferrites are permanent magnets, so they retain their polarity after an external field is removed Soft ferrites are used more in inductors because they can change their field polarity easily
APPLICATIONS High frequency applications Have higher inductance than air core inductors but less core loss than iron core inductors Still has core loss, but less than iron Switch mode power supplies IF and RF (intermediate frequency and radio frequency)
