Manganese-zinc system ferrite
AssigneeTDK Corporation
InventorOsamu Takeda
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Abstract
The manganese-zinc system ferrite of the invention has an initial permeability .mu.i at a frequency of 100 kHz and at 25.degree. C. of 5,000 or more, and a core loss Pcv at a frequency of 100 kHz and at 200 mT and 40.degree. C. of 400 kW/m.sup.3 or less.
Claims11
A manganese-zinc system ferrite, which is a manganese-zinc system ferrite having an initial permeability .mu.i at a frequency of 100 kHz and at 25.degree. C. of 5,000 or more, and a core loss Pcv at a frequency of 100 kHz and at 200 mT and 40.degree. C. of 400 kW/m.sup.3 or less.
A manganese-zinc system ferrite, which is a manganese-zinc system ferrite having an initial permeability .mu.i at a frequency of 100 kHz and at 25.degree. C., a core loss Pcv at a frequency of 100 kHz and at 200 mT and 40.degree. C., and a saturation magnetic flux density Bs at 25.degree. C. that satisfy:
- 7,000.ltoreq..mu.i.multidot.Bs/Pcv.
Dependencies are inferred from the claim text.