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Magnetic ring inductance _ What are the characteristics and characteristics of the ring inductor core material?
Jul 23, 2017


Magnetic ring inductance _ What are the characteristics and characteristics of the ring inductor core material?


In general, magnetic ring inductor core material can be divided into: manganese zinc ferrite, nickel zinc ferrite, iron powder core, iron silicon aluminum magnetic ring, five kinds of amorphous magnetic ring


The iron powder core has low magnetic permeability, and the good high-frequency material can reduce the AC flux density during operation, and the core loss is low, but the magnetic permeability is high, and the DC saturation characteristic is good. .


The iron-silicon-aluminum loss is lower than that of the iron powder core.


Nickel core ferrite has high resistivity, high Curie temperature, low temperature coefficient, low loss and good high frequency characteristics.


Manganese core ferrite, manganese core magnetic ring ferrite has high saturation induction strength, low power consumption and excellent power consumption, excellent power consumption and temperature relationship, high resistance, etc.


The saturation magnetic density of the amorphous magnetic ring is much higher than that of ordinary ferrite and powder magnetic core, but as the frequency increases, the magnetic permeability will decrease rapidly, and is generally used in the frequency band of several tens of K to hundreds of K.


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