... 11 years production experience Mn-Zn soft ferrite core low cost high permeability,low loss REACH,ROHS approved EF series soft ferrite ... computer and peripheral equipment, switch power, CRT color TV, liquid crystal display (LCD), Plasma color television, instrumentation, automatic control, green ... 210Curie temperature:>=190 degreeElectric resistivity:4-9 Ω*m low cost & low loss ef20 ferrite core