... and chokes for switching power supplies, filter, inductor etc. UF CORE Applications:Mainly used for line filters in ... various types of filters, inductors and chokes. U CORE Applications:Mainly used for flyback transformers in B/W ... core, ferrite rod cores, soft ferrite core, high permeability ferrite cores, aetd ferrite core, n87 ferrite core, ef20 ferrite core, round ferrite core, L shape ferrite core ...