7th INTERNATIONAL CONFERENCE ON FERRITES

J. Phys. IV France 07 (1997) C1-145-C1-146
DOI: 10.1051/jp4:1997150

Low Loss of Mg-Mn-Zn Ferrite for Deflection Yoke

K. Ikegami, Y. Masuda, H. Takei and T. Maeda

FDK Corporation, Kosai Factory, 2281 Washizu, Kosai-shi, Shizuoka 431-04, Japan

Abstract
We examined the reduction of the core loss of Mg-Mn-Zn ferrite for deflection yoke cores. We tried to decrease hysteresis loss by selection of composition and additive, because hysteresis loss is much larger then eddy current loss in Mg-Mn-Zn ferrite having high resistance. We succeeded in decreasing hysteresis loss and improved the core loss approximately 30% compared with conventional materials. And as the result of a simulation, we can expect that the rising temperature of it is smaller than that of our conventional materials for deflection yoke at high frequencies and high magnetic flux density.

© EDP Sciences 1997

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