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Manganese-zinc ferrite cores are mainly used for power applications where high permeability's and low core losses are required. Manganese-zinc ferrite materials are characterized by high initial permeability's, typically from 1400µi to 15000µi. Using high permeability ferrite cores reduces the number of turns which are required to achieve high inductance values. This in turn reduces the dc resistance and parasitic capacitance caused by the copper wire windings and also reduces the copper costs. Curie temperatures for MnZn ferrite cores typically range from 150°C lowering to 100°C for the highest permeability materials. |
