... Repeatable properties High Permeability MnZn or NiZn Ferrite FT & ET CoreGeneral Introduction 1, NiZn ferrite core ... be wound directly by coils. 3, The series of NiZn ferrite core is including DR core, ... appliance, computer etc area. Features: 1, FT cores and ET cores possess characters of ferrites, ... high permeability and high resistivity. 2, Also FT cores and ET cores are also reasonably stable ...