... ,EE,EPC,ER,PQ,RM,UU,EC,DR 3.Supply grind gap and matched bobbin ferrite core| soft ferrite core| transformer core| ferrite magnet coreCore material: MnZn ... quality ,timely delivery,favourable price and execllent after-sale service. Type Dimensions(mm)Effective ParameterAL±25%n H/N2Weight ABCDEFGC1(mm ...