Ferrite manganese-magnesium-zinc material for power-type inductors, and application thereof
An inductor and ferrite technology, applied in the field of new materials, can solve the problems of high cost and unsatisfactory magnetic permeability, and achieve the effect of low production cost and high insulation resistivity
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[0018] A ferrite manganese, magnesium and zinc material for power inductors, which is obtained by mixing and calcining iron oxide, magnesium oxide, zinc oxide and manganese oxide, adding auxiliary materials, and pressing and molding after conventional sand grinding, drying and granulation .
[0019] Iron oxide, magnesium oxide, zinc oxide, manganese oxide four kinds of material consumption percentages are:
[0020] Iron oxide 45~50mol% (for example 45mol%, 48mol%, 50mol%)
[0021] Magnesium oxide 25~35mol% (eg 25mol%, 30mol%, 35mol%)
[0022] Zinc oxide 15~20mol% (eg 15mol%, 17mol%, 20mol%)
[0023] Manganese oxide 5-10mol% (eg 5mol%, 8mol%, 10mol%);
[0024] The sum of the amounts of the four materials is 100%;
[0025] Described auxiliary material and the consumption relative to the sum of above-mentioned four kinds of materials are:
[0026] CuO 1~2wt% (eg 1wt%, 1.5wt%, 2wt%)
[0027] Bi 2 o 3 1~2wt% (eg 1wt%, 1.5wt%, 2wt%).
[0028] Application of the above-menti...
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