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Boost Power Density by Picking the Right Core Materials (Download)

June 16, 2025
Log in to download the PDF of this article on selection of core magnetic materials to optimize power density.

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Decades ago, the entrance to the somewhat sleepy Francis Bitter National Magnet Lab at MIT was decorated with a movie poster from The Magnetic Monster, a 1953 American science fiction film. Since then, the science of magnetics has rocketed past anything filmmakers could have dreamt of, with vital breakthroughs that have changed the electronic landscape.

Today’s magnetic materials, many optimized for high-frequency applications, are critical in power electronics, RF systems, and signal conditioning, and a necessity in the most demanding applications. Their properties influence core losses, efficiency, thermal performance, and ultimately power density.