标签: ferrite

什么是磁珠（FerriteBead即FB）.docx

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