... Zn soft ferrite core low cost high permeability,low loss REACH,ROHS approved high grade soft ferrite magnetic core, Mn-Zn ferrite magnetic ... industry.EE series,EI series,T series / toroidal ferrite,EP series,EC series,UU series,RM series,PQ series ... ,DS series,EFD series,EPC series,P series,LP series,and so on.Specs:material:Mn-Zn ferrite -DK3,TD3 ... :4-9 Ω*m nice price soft magnetic steward ferrite core