... 2.range:EFD,EF,EE,EPC,ER,PQ,RM,UU,EC,DR 3.Supply grind gap and matched bobbin ferrite core ... permeability ferrite materialcore range:EE,EF,EFD,EPC,EER,DR,EC,PQ,RM ,UU Advantage: 1.We can supply the core ... . For more technical support,please visite our website: www.ougedianzi.com TypeDimensions(mm)Effective ParameterAL±25%n H/N2WeightABCDEFGC1(mm-1 ...