Patent ID: 7872558

Claim:
A coil device comprising: a bobbin structure comprising a body section, a first flange section and a second flange section, the body section being positioned between the first flange section and the second flange section in a first horizontal direction, the first flange section comprising a first lower base and a first upper portion, the first upper portion extending upwardly from the first lower base, the first upper portion being provided with a first upper edge on which at least one guide recess is formed, the second flange section comprising a second lower base and a second upper portion, the second lower base facing the first lower base in the first horizontal direction, the second upper portion extending upwardly from the second lower base, and the second upper portion facing the first upper portion in the first horizontal direction with the body section interposed therebetween; at least three pin lines, each of the pin lines comprising at least two pins arranged in a second horizontal direction perpendicular to the first horizontal direction, wherein at least two of the pin lines extend downwardly from the first lower base, and at least one of the pin lines extends downwardly from the second lower base; and at least two coils, each of coils comprising a wrapped portion and two twisted portions extending from the wrapped portion, the wrapped portions of the coils being wrapped around the body section of the bobbin structure so that axes of the coils extend along the first horizontal direction, each of the twisted portions being twisted around one of the pins, and at least one of the twisted portions being guided by the at least one guide recess and extending over the first upper edge to a corresponding one of the pins.