R7K Ferrite Powder

R7K ferrite powder is same as our TH7 ferrite powder. TH7 material is a kind of high permeability MnZn ferrite powder developed on the basis of TH5 material and the initial permeability of the material is 7000±25%.

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Product Details

R7K ferrite powder is same as our TH7 ferrite powder. TH7 material is a kind of high permeability MnZn ferrite powder developed on the basis of TH5 material and the initial permeability of the material is 7000±25%. The initial permeability is the limit value at the initial magnetization curve’s origin. It has a higher initial permeability, which can produce the magnetic core with a higher AL value, that can effectively reduce the number of winding. But at the same time, the Curie temperature of the material will decline to 130℃. This material takes into account the characteristics of high permeability and high frequency. It is suitable for making all kinds of high permeability magnetic cores. The higher the permeability of ferrite, the greater the impedance at low frequency and the smaller the impedance at high frequency. Therefore, when high frequency interference is suppressed, NiZn ferrite should be selected. Instead, use manganese-zinc ferrite. Or the interference frequency band can be suppressed by simultaneously covering the same cable with manganese-zinc and NiZn ferrite.

 


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