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