... 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, ... 210Curie temperature:>=190 degreeElectric resistivity:4-9 Ω*m low cost & low loss ef20 ferrite core