1.100% real origal manufacturer 2.more than 20 years experience 3.large production capacity Product name: soft magnet ferrite core,magnetic core,magnets ,toroidal core,Ni-Zn ferrite core Main Composite: Fe2O3 ,softmagnetism ferrite coreDetail parameter:1.Material Unit symbol:F2 2. Initial Permeability μi(±20%):650 3. Relative Loss Factor Tanδ/μi(×10-6) : 20(0.1MHz)4. Relative Temperature ...