SnO_2置換による低損失MnZnフェライト [in Japanese] SnO_2-Substituted MnZn Ferrite with Low Power Loss [in Japanese]
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The effect of chemical composition and firing conditions on the core loss characteristics of MnZn ferrite has been studied with special reference to the factors of core loss. It was found that hysteresis and eddy current losses comprise most of the core loss for MnZn ferrite used at 100kHz. Especially, the eddy current loss remarkably increased with increasing the frequency in comparison with hysteresis loss. On the basis of the fact that the eddy current loss bears a linear relationship to the electrical resistivity, an experimented addition of SnO2 to MnZn ferrite has been tried to improve the electrical resistivity. As a result, MnZn ferrite with low power loss has been successfully developed.
- J. Jpn. Soc. Powder Powder Metallurgy
J. Jpn. Soc. Powder Powder Metallurgy 43(1), 31-35, 1996-01-15
Japan Society of Powder and Powder Metallurgy