US 11,875,927 B2
Coil component
Takashi Sukegawa, Nagaokakyo (JP); Yasuhiro Itani, Nagaokakyo (JP); Takanori Suzuki, Nagaokakyo (JP); Yuuki Kitadai, Nagaokakyo (JP); Yoshifumi Maki, Nagaokakyo (JP); and Reiichi Matsuba, Nagaokakyo (JP)
Assigned to Murata Manufacturing Co., Ltd., Kyoto-fu (JP)
Filed by Murata Manufacturing Co., Ltd., Kyoto-fu (JP)
Filed on Apr. 16, 2020, as Appl. No. 16/850,977.
Claims priority of application No. 2019-080204 (JP), filed on Apr. 19, 2019.
Prior Publication US 2020/0335249 A1, Oct. 22, 2020
Int. Cl. H01F 17/04 (2006.01); H01F 27/30 (2006.01); H01F 27/02 (2006.01); H01F 41/06 (2016.01); H01F 27/28 (2006.01); H01F 41/02 (2006.01); H01F 27/29 (2006.01)
CPC H01F 17/045 (2013.01) [H01F 27/027 (2013.01); H01F 27/2823 (2013.01); H01F 27/292 (2013.01); H01F 27/306 (2013.01); H01F 41/0246 (2013.01); H01F 41/06 (2013.01)] 18 Claims
OG exemplary drawing
 
1. A coil component comprising:
a core including a winding core portion that extends in a length direction of the coil component and a first flange portion that is disposed on a first end portion of the winding core portion in the length direction, the winding core portion including a first curved portion that is formed at a connection between a bottom surface of the winding core portion and the first flange portion, and the winding core portion including a third curved portion that is formed at a connection between an upper surface of the winding core portion and the first flange portion;
a first wire and a second wire that are wound around the winding core portion in the same direction;
a first terminal electrode that is disposed on a bottom part of the first flange portion in a height direction of the coil component perpendicular to the length direction and that is connected to a first end portion of the first wire; and
a second terminal electrode that is disposed on the bottom part of the first flange portion and that is connected to a first end portion of the second wire, and
wherein a ratio of a length of the first curved portion in the height direction to a distance in the height direction between the bottom surface of the winding core portion and the first terminal electrode is from 20% to 60% in a section of the winding core portion that passes through a center of the winding core portion and that is along a plane extending in the length direction and in the height direction, and
wherein the length of the first curved portion in the height direction is longer than a length of the third curved portion in the height direction in the section of the winding core portion that passes through the center of the winding core portion and that is along the plane extending in the length direction and in the height direction.