Patent ID: 6774755
Filing Date: 2004-08-10
Classification: H01F

Abstract:
A choke coil comprising:a closing magnetic core including a first magnetic core comprising a center magnetic leg, an outer magnetic leg, and a first common magnetic yoke, and a second magnetic core comprising a second common magnetic yoke in contact with said first magnetic core; a coreless coil including a plate-type wire comprising at least one of a flat type wire and a foil type wire, wherein said coreless coil is disposed around the center magnetic leg and separated therefrom by an insulating layer; and inside and outside terminals respectively coupled to inside and outside ends of the plate-type wire of the coreless coil, wherein one of said first common magnetic yoke and said second magnetic yoke has a substantially planar body portion having first and second sides with a predetermined thickness therebetween and a notch formed in the planar body portion, the notch extending between the first and second planar sides, and wherein said inside terminal extends outside said closing magnetic core through said notch, said inside terminal having a portion that extends substantially parallel with said planar body portion inside the notch within the thickness of said planar body.