Electronic components prepared by common mode choke core,the main functions can be roughly divided into three major functions: signal transmission, energy conversion, anti-electromagnetic interference or electromagnetic compatibility.
From the composition point of view, common mode choke core can be divided into manganese zinc, nickel zinc, magnesium zinc ferrite and other different types of oxide materials.
In terms of application scope, mn-zn ferrite and ni-zn ferrite are most widely used, and their market shares account for more than 80% of the soft ferrite market, among which mn-zn ferrite market shares account for more than 70% of the whole soft ferrite market.
From the perspective of technological development, with the high efficiency and miniaturization of electronic devices,the technical trend of the common mode choke core requires lower loss, higher saturation flux density, higher operating frequency and wider operating temperature range for the power ferrite.For ferrite with high permeability, wider temperature and frequency stability, higher insertion loss, higher impedance, and lower total harmonic distortion (THD) are required, and the inductance value of the device does not decrease significantly when working with dc superposition.
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