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Soft-magnetic MnZn system power ferrite
The invention discloses a soft-magnetic MnZn system power ferrite, and aims to provide a soft-magnetic MnZn system power ferrite which is high in saturation flux density and low in loss. The soft-magnetic MnZn system power ferrite comprises main components and auxiliary components, wherein the main components include Fe2O3, MnO, ZnO and NiO, based on the total quantity of the main components, Fe2O3 accounts for 53.0-55.0 mol%, ZnO accounts for 3.0-7.0 mol%, NiO accounts for 0-1.0 mol%, and the balance is MnO; and the auxiliary components include CoO, SiO2, CaCO3, Nb2O5 and ZrO2. The soft-magnetic MnZn system power ferrite has the advantages that the saturation flux density Bs at 100 DEG C is more than 460 mT, and the magnetic core loss Pcv at 100 DEG C is less than 320 kW/m<3>. Since the soft-magnetic MnZn system power ferrite has such excellent performance, a device can be further miniaturized on practical application of a product, and moreover, due to very low loss, the working efficiency of the device also can be further improved.
Soft-magnetic MnZn system power ferrite
The invention discloses a soft-magnetic MnZn system power ferrite, and aims to provide a soft-magnetic MnZn system power ferrite which is high in saturation flux density and low in loss. The soft-magnetic MnZn system power ferrite comprises main components and auxiliary components, wherein the main components include Fe2O3, MnO, ZnO and NiO, based on the total quantity of the main components, Fe2O3 accounts for 53.0-55.0 mol%, ZnO accounts for 3.0-7.0 mol%, NiO accounts for 0-1.0 mol%, and the balance is MnO; and the auxiliary components include CoO, SiO2, CaCO3, Nb2O5 and ZrO2. The soft-magnetic MnZn system power ferrite has the advantages that the saturation flux density Bs at 100 DEG C is more than 460 mT, and the magnetic core loss Pcv at 100 DEG C is less than 320 kW/m<3>. Since the soft-magnetic MnZn system power ferrite has such excellent performance, a device can be further miniaturized on practical application of a product, and moreover, due to very low loss, the working efficiency of the device also can be further improved.
Soft-magnetic MnZn system power ferrite
ZHAO XU (author) / GU XIAOJIAN (author) / LU FEIXIANG (author) / ZHANG XUEQIANG (author)
2015-09-23
Patent
Electronic Resource
English
Method for preparing MnZn ferrite soft magnetic material
| European Patent Office | 2015