US 12,340,929 B2
Coil component and method of manufacturing the same
Yuichi Kasuya, Tokyo (JP)
Assigned to TAIYO YUDEN CO., LTD., Tokyo (JP)
Filed by TAIYO YUDEN CO., LTD., Tokyo (JP)
Filed on Oct. 28, 2021, as Appl. No. 17/513,490.
Claims priority of application No. 2020-198641 (JP), filed on Nov. 30, 2020.
Prior Publication US 2022/0172874 A1, Jun. 2, 2022
Int. Cl. H01F 27/24 (2006.01); H01F 27/32 (2006.01); H01F 41/04 (2006.01); H10D 1/20 (2025.01)
CPC H01F 27/24 (2013.01) [H01F 27/32 (2013.01); H01F 41/04 (2013.01); H10D 1/20 (2025.01)] 13 Claims
OG exemplary drawing
 
1. A coil component comprising:
a drum core including a winding core portion, a first flange portion provided at one end of the winding core portion, and a second flange portion provided at the other end of the winding core portion;
a conductive wire including a wound portion wound around the winding core portion and a first lead-out portion and a second lead-out portion led out from the winding core portion to the first flange portion;
a pair of external electrodes provided at the first flange portion, each external electrode of the pair of external electrodes being electrically connected to associated one of end portions of the conductive wire; and
an exterior portion including a first exterior portion and a second exterior portion and made of a resin material, the first exterior portion being provided to cover a region in a surface of the first flange portion facing the second flange portion and expose a part of the wound portion, the region being surrounded by the first lead-out portion, the second lead-out portion, the wound portion, and one side of the first flange portion to which the first lead-out portion and the second lead-out portion are led out when seen from an axial direction of the winding core portion, the second exterior portion covering at least a part of the first exterior portion and the part of the wound portion exposed from the first exterior portion.