This paper presents a study of low loss manganese-zinc (Mn-Zn) ferrite by design of experiment. A two-stage optimization method is used for reducing the number of trials and allowing the inclusion of more factors and levels. The output responses of permeability and resistivity evaluate the experiments in optimizing the control factors. The power loss of the Mn-Zn ferrite is 350 mW/c.c at 300KHz, 80 °C and 100 mT.
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