How to choose ferrite_componen...

How to choose ferrite components for EMI suppressiontSpotlight Article
Carole Parker, Fair-Rite Products Corp.

Spotlight On... Components
How to choose ferrite components for EMI suppression

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his article focuses on soft ferrites used in the application of electromagnetic interference (EMI) suppression. Although the end use is an important issue and some applications are mentioned, this article is not intended to be a design manual, but rather, an aid to the designer in understanding and choosing the optimum ferrite material and component for their particular application. Ferrite suppressor cores are simple to use, in either initial designs or retrots, and are comparatively economical in both price and space. Ferrite suppressors have been

successfully employed for attenuating EMI in computers and related products, switching power supplie