1. material: Mn-Zn 2. High permeability , low-power loss 3.provide the match bobbin 4.series: EE,EI,EF,EFD,EER,DR,EC,PQ EE CORE Applications:Transformers and chokes for switching power supplies, filter, inductor etc. UF CORE Applications:Mainly used for line filters in color TV set. TOROIDAL CORE Applications:Pulse and wide-band transformers, various types of filters, inductors and chokes. U CORE ...