Meaning, when subjected to a magnetic field, ferrite material is able to achieve a very high degree of magnetization, better than all other forms of magnetic material.Ī higher magnetic permeability means, lower amount of eddy current and lower switching losses. In contrast, ferrite cores possess very high magnetic permeability. It is because in iron core transformers, the iron material has much inferior magnetic permeability than ferrite material. Right, it is to achieve higher efficiency and compactness compared to iron core power supplies, but it would be interesting to know how ferrite cores allow us to achieve this high degree of efficiency and compactness? You might have often wondered the reason behind using ferrite cores in all modern switch mode power supplies or SMPS converters. Why Ferrite Core is used in High Frequency Converters
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