Magnetic element

A magnetic element comprises a magnetic core and at least one coil. The magnetic core comprises at least one outer column and an inner column. The inner column is separated from an upper inner surface of the magnetic core. The inner column is at least partially divided into a plurality of separated parts along a length direction of the inner column. At least one coil is wound around the inner column. 一种磁性元件，包含一磁芯以及至少一线圈。磁芯包含至少一外柱以及一内柱。内柱与磁芯的一上内表面分离。内柱沿内柱的一长度方向至少部分地分割成多个分离部。至少一线圈缠绕于内柱。