... Permeability MnZn or NiZn Ferrite FT & ET CoreGeneral Introduction 1, NiZn ferrite core is one kind of ferrite material, work steadily ... ferrite core is able to be wound directly by coils. 3, The series of NiZn ferrite core is including DR core, RI core, DRWW core ... , RWW cores, RID core, RHH core, R4H core, F core, T core, etc. They ...