Mn-Zn based ferrite

Application Number: 00126316
Application Date: 2000.08.30
Publication Number: 1286238
Publication Date: 2001.03.07
Priority Information: 1999/8/30 JP 242747/99
International: C04B35/26;H01F1/34
Applicant(s) Name: TDK Corp.
Address:
Inventor(s) Name: Takagawa Kenya;Yasuhara Katsushi
Patent Agency Code: 72001
Patent Agent: pang lizhi
Abstract MnZn ferrite comprises a main component comprising iron oxide 52.5 to 54.0 mol % in terms of Fe2O3, zinc oxide 7.7 to 10.8 mol % in terms of ZnO, and manganese oxide of the remaining, and sub-components of silicon oxide 60 to 140 ppm in terms of SiO2 and calcium oxide 350 to 700 ppm in terms of CaO, and further contains nickel oxide 4500 ppm or lower (not including 0) in terms of NiO.