线圈部件

By employing a specific composition and configuration of ferrite compositions and non-magnetic materials in the coil components, the problems of reduced inductance and low reliability caused by different materials in the base body are solved, thereby improving the stability and reliability of the inductor.

CN122417634APending Publication Date: 2026-07-17TDK CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
TDK CORP
Filing Date
2026-01-12
Publication Date
2026-07-17

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Abstract

本公开的一个方式所涉及的线圈部件具备：素体，其包含彼此相对的一对端面；以及线圈，其配置于所述素体内，所述线圈包含至少一个线圈导体，所述素体包含在沿线圈轴的方向上设于彼此不同的位置的第一区域和第二区域，所述第一区域包含由主成分和副成分构成的铁氧体组合物，所述主成分是将氧化铁以Fe2O3换算为35～50mol%、氧化铜以CuO换算为1～15mol%、氧化锌以ZnO换算为1～35mol%以及剩余部分由氧化镍构成，相对于所述主成分100质量份，所述副成分包含以Li2O换算为1.2质量份以下的锂化合物，所述第二区域包含非磁性材料。
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