Fdk Corporation

Tohru Hirohashi

Hideyuki Akiyama

Kiyoshi Hironaka

The present invention provides a transformer including a first bobbin around which a primary coil is wound, a second bobbin which is disposed adjacent to the first bobbin and around which a secondary coil is wound, a core disposed across the first and second bobbins and forming a closed magnetic path. The core is divided into a first core positioned on the side where the first bobbin is present and a second core positioned on the side where the second bobbin is present, and an insulating member is interposed in a magnetically coupled portion between the first core and the second core, the insulating member including outer circumference sheaths that cover at least one of the first and second cores and a barrier interposed between the opposing surfaces of the first and second cores.

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Tokyo, Japan

Tohru Hirohashi