Coil component

The invention provides a coil assembly. The coil assembly includes a support member, a first coil pattern, a second coil pattern, a body in which the support member and the first and second coil patterns are embedded, and a through hole extending in a third direction and connecting the first and second coil patterns, an innermost turn of the plurality of turns of the first coil pattern includes a first half turn and a second half turn, a width of the first half turn being smaller than a width of the second half turn, and a width of the second half turn being larger than a width of a region where the first half turn and the second half turn are connected. 本公开提供一种线圈组件。所述线圈组件包括支撑构件、第一线圈图案、第二线圈图案、主体以及在第三方向上延伸并连接第一线圈图案和第二线圈图案的通孔，支撑构件以及第一线圈图案和第二线圈图案嵌入所述主体中，其中，第一线圈图案的多匝中的最内匝包括第一半匝和第二半匝，第一半匝的宽度小于第二半匝的宽度，并且第二半匝的宽度大于第一半匝和第二半匝连接的区域的宽度。