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Q.What is hysteresis material constant ηB?

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A. It is a constant that represents hysteresis loss when a magnetic material is operating in the Rayleigh region, as shown in the following formula.

Here:

  • tanδh : Hysteresis loss coefficient
  • μ : Relative permeability in the Rayleigh region
  • Bm : Maximum magnetic flux density (T)

* Terminology related to ferrites can be found in the website in ”Terms Definitions and Explanations” under ”Ferrite Summary”.
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