Magnetic core, inductor and EMI filter comprising inductor

An inductor according to an embodiment of the present invention comprises: a first magnetic body having a ring shape and including ferrite; and a second magnetic body disposed on an outer circumferential surface or an inner circumferential surface of the first magnetic body, in which the second magnetic body includes a resin material and a plurality of layers of metal tape wound in a circumferential direction of the first magnetic body, in which the resin material includes a first resin material disposed to cover an outer surface of the plurality of layers of metal tape and a second resin material disposed to cover an outer surface of the plurality of layers of metal tape. The second resin material is disposed in at least a portion of an interlayer space in the plurality of layers. 根据本发明的实施例的电感器包括：第一磁性体，其具有环形形状并且包括铁氧体；以及第二磁性体，其设置在第一磁性体的外周面或内周面上，其中，第二磁性体包括：树脂材料和沿第一磁性体的周向缠绕的多层的金属带，其中，树脂材料包括第一树脂材料和第二树脂材料，第一树脂材料设置成覆盖多层的金属带的外表面，第二树脂材料设置在多层中的层间空间的至少一部分中。