11 years production 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 ... series,P series,LP series,and so on.Specs:material:Mn-Zn ferrite -DK3,TD3,TD4,TD44,TD47,TD90,TD95,TD50Initial permeability:25 ... degreeElectric resistivity:4-9 Ω*m nice price soft magnetic steward ferrite core