US 12,260,984 B1
Coil component
Masami Tanifuji, Natori (JP); Kaito Suzuki, Natori (JP); Toshimasa Monma, Natori (JP); and Sho Maesawa, Natori (JP)
Assigned to SUMIDA CORPORATION, (JP)
Appl. No. 18/728,951
Filed by SUMIDA CORPORATION, Tokyo (JP)
PCT Filed Dec. 25, 2023, PCT No. PCT/JP2023/046354
§ 371(c)(1), (2) Date Jul. 15, 2024,
.
Int. Cl. H01F 27/29 (2006.01); H01F 27/02 (2006.01); H01F 27/24 (2006.01)
CPC H01F 27/292 (2013.01) [H01F 27/02 (2013.01); H01F 27/24 (2013.01)] 9 Claims
OG exemplary drawing
 
1. A coil component comprising:
a first core;
a base unit in which a housing recess is formed and the first core is housed in the housing recess;
a terminal unit provided in the base unit;
at least one coil connected to the terminal unit and spirally disposed around a winding core section in the first core and the base unit; and
a second core disposed above the first core, wherein
the second core includes a flat plate section and a leg extending from one end portion in an axial direction of the coil of the flat plate section toward a bottom surface of the housing recess,
the housing recess includes a first space in which the winding core section is housed and a second space that is a space different from the first space and in which the leg is housed, and
the base unit includes a leg restricting section disposed on an inward side of the leg in the axial direction.