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    • 7. 发明公开
    • 전원용 인덕터
    • 功率电感器
    • KR1020080069684A
    • 2008-07-28
    • KR1020087014301
    • 2006-10-10
    • 스미다 코포레이션 가부시키가이샤
    • 사노간와타나베쓰토무
    • H01F27/00
    • H01F37/00H01F17/045H01F19/04H01F27/2823H01F27/288H01F27/292H01F27/34
    • It is possible to provide an inductor which can be used for a high-frequency current and a large current. The power inductor (10) is used in a power supply circuit where a current greater than a signal inductor flows. The inductor includes a core having a winding core unit and a coil formed by winding a conductor having a magnetic layer covering a conductive portion, around the winding core unit. Current applied to the coil has a used band frequency in a range fro9m 5 MHz to 10 MHz. A frequency ratio between a reference frequency lower than the used band frequency and the used band frequency is substantially identical to an AC resistance ratio between an AC resistance in the reference frequency and an AC resistance in the used band frequency.
    • 可以提供可用于高频电流和大电流的电感器。 功率电感器(10)用于电流大于信号电感器的电流的电源电路。 电感器包括具有绕组芯单元的芯和通过绕绕芯体单元缠绕具有覆盖导电部分的磁性层的导体而形成的线圈。 施加到线圈的电流具有在5MHz至10MHz的范围内的使用频带频率。 低于使用频带频率的基准频率与使用频带频率之间的频率比基本上与参考频率中的交流电阻和使用频带频率的交流电阻之间的交流电阻比相同。