| 摘要 |
A magnetic element capable of obtaining a desired characteristic and at the same time having high productivity that enables cost reduction is provided. The magnetic element includes a first coil ( 50 ) to which a signal is inputted, a second coil ( 60 ) to which the signal inputted to the first coil ( 50 ) is transmitted, and includes a first core ( 20 ) having a first columnar leg portion ( 26 ) on which the first coil ( 50 ) is wound and a first peripheral wall portion ( 22, 23, 24 ) arranged on the periphery of the first columnar leg portion ( 26 ), and a second core ( 30 ) having a second columnar leg portion ( 36 ) on which the second coil ( 60 ) is wound and a second peripheral wall portion ( 32, 33 34 ) arranged on the periphery of the second columnar leg portion ( 36 ). The relative permeability of the first core ( 20 ) is set higher than the relative permeability of the second core ( 30 ), the first columnar leg portion ( 26 ) and the second columnar leg portion ( 36 ) abut on each other, and the first peripheral wall portion ( 22, 23, 24 ) and the second peripheral wall portion ( 32, 33, 34 ) abut on each other.
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