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HowtochooseferritecomponentsforEMIsuppressiontSpotlightArticleCaroleParker,Fair-RiteProductsCorp.SpotlightOn...ComponentsHowtochooseferritecomponentsforEMIsuppressionThisarticlefocusesonsoftferritesusedintheapplicationofelectromagneticinterference(EMI)suppression.Althoughtheenduseisanimportantissueandsomeapplicationsarementioned,thisarticleisnotintendedtobeadesignmanual,butrather,anaidtothedesignerinunderstandingandchoosingtheoptimumferritematerialandcomponentfortheirparticularapplication.Ferritesuppressorcoresaresimpletouse,ineitherinitialdesignsorretrots,andarecomparativelyeconomicalinbothpriceandspace.FerritesuppressorshavebeensuccessfullyemployedforattenuatingEMIincomputersandrelatedproducts,switchingpowersupplie……