... experience Mn-Zn soft ferrite core low cost high permeability,low loss REACH,ROHS approved high grade soft ferrite magnetic core, Mn-Zn ferrite magnetic cores.widely ... military industry.EE series,EI series,T series / toroidal ferrite,EP series,EC series,UU series,RM series,PQ series,EF series ... degree,50-210Curie temperature:>=190 degreeElectric resistivity:4-9 Ω*m high grade soft magnetic ferrite core