Winding-type coil component
A winding-type coil component includes a first wire and a second wire having a twisted wire portion where the first wire and the second wire are twisted together. Switching positions of the first wire and the second wire in the twisted wire portion are shifted in a circumferential direction of a winding core portion every turn.
1 . A winding-type coil component, comprising:
a core including a winding core portion and a first flange portion and a second flange portion, the first flange portion and the second flange portion being provided on a first end of the winding core portion and a second end of the winding core portion, respectively, the first end and the second end being opposite to each other; and
a first single wire and a second single wire wound around the winding core portion with substantially the same number of turns, not electrically connected to each other, and having a twisted wire portion where the first single wire and the second single wire are twisted together,
a first terminal electrode and a third terminal electrode that are provided on a bottom side of the first flange portion; and
a second terminal electrode and a fourth terminal electrode that are provided on a bottom side of the second flange portion;
wherein, when viewed from the bottom side of the first and the second flange portions, for at least two adjacent turns of the twisted wire portion of the first and second single wires, switching positions of the first wire and the second wire in the twisted wire portion are shifted in a circumferential direction of the winding core portion between adjacent switching positions at least 3 turns.
2 . The winding-type coil component according to claim 1 , wherein a surface of the winding core portion when viewed from the bottom side of the first and the second flange portions is a planar surface that is parallel to a bottom surface of the first and second flange portions.
3 . The winding-type coil component according to claim 2 , wherein a sectional shape of the winding core portion that is perpendicular to a central axis thereof is a substantially rectangular shape.
4 . The winding-type coil component according to claim 1 , wherein
one end portion and the other end portion of the first single wire is connected to the first terminal electrode and the second terminal electrode, respectively, and
one end portion and the other end portion of the second single wire is connected to the third terminal electrode and the fourth terminal electrode, respectively.
5 . The winding-type coil component according to claim 1 , wherein the winding-type coil component is a common mode choke coil.
6 . The winding-type coil component according to claim 1 , wherein the number of turns of each of the first and second single wires is about 15 or more.
7 . The winding-type coil component according to claim 1 , wherein
at each adjacent part of the twisted wire portion that contacts the winding core portion, either the first single wire or the second single wire contacts the winding core portion.
8 . A winding-type coil component, comprising:
a core including a winding core portion and a first flange portion and a second flange portion, the first flange portion and the second flange portion being provided on a first end of the winding core portion and a second end of the winding core portion, respectively, the first end and the second end being opposite to each other; and
a first single wire and a second single wire wound around the winding core portion with substantially the same number of turns, not electrically connected to each other, and having a twisted wire portion where the first single wire and the second single wire are twisted together,
a first terminal electrode and a third terminal electrode that are provided on a bottom side of the first flange portion; and
a second terminal electrode and a fourth terminal electrode that are provided on a bottom side of the second flange portion;
wherein when viewed from the bottom side of the first and the second flange portions, switching positions of the first wire and the second wire in the twisted wire portion are shifted in a circumferential direction of the winding core portion between adjacent switching positions at least 3 turns, in each N turns of the twisted wire portion that are adjacent to each other, and N is a natural number.
9 . The winding-type coil component according to claim 8 , wherein a surface of the winding core portion when viewed from the bottom side of the first and the second flange portions is a planar surface that is parallel to a bottom surface of the first and second flange portions.
10 . The winding-type coil component according to claim 9 , wherein a sectional shape of the winding core portion that is perpendicular to a central axis thereof is a substantially rectangular shape.
11 . The winding-type coil component according to claim 8 , wherein
one end portion and the other end portion of the first single wire is connected to the first terminal electrode and the second terminal electrode, respectively, and
one end portion and the other end portion of the second single wire is connected to the third terminal electrode and the fourth terminal electrode, respectively.
12 . The winding-type coil component according to claim 8 , wherein the winding-type coil component is a common mode choke coil.
13 . The winding-type coil component according to claim 8 , wherein the number of turns of each of the first and second single wires is about 15 or more.
14 . The winding-type coil component according to claim 8 , wherein
at each adjacent part of the twisted wire portion that contacts the winding core portion, either the first single wire or the second single wire contacts the winding core portion.