... experience Mn-Zn soft ferrite core low cost high permeability,low loss REACH,ROHS approved high grade soft ferrite magnetic core, Mn-Zn ... -Zn ferrite -DK3,TD3,TD4,TD44,TD47,TD90,TD95,TD50Initial permeability:25 degree,2000-3000Saturation magnetic flux density:25 degree,470 ... degree,50-210Curie temperature:>=190 degreeElectric resistivity:4-9 Ω*m high grade soft magnetic ferrite core