Coil device

Abstract

A coil device includes a core having a winding core portion and flange portions and formed in end portions of the winding core portion, a first winding portion formed by winding a first primary wire and a first secondary wire around the winding core portion, and a second winding portion formed by winding a second primary wire and a second secondary wire around the winding core portion. The second winding portion is formed with an alternating winding region where the second primary wire and the second secondary wire are alternately disposed and wound and a continuous winding region where either the second primary wire or the second secondary wire is continuously wound.

Dependencies are inferred from the claim text.