A coil component includes a body having one surface and another surface opposing each other in one direction, a plurality of walls each connecting the one surface to the other surface, and a coil portion disposed therein. A recess extends along at least portions of edges common to the one surface and to walls of the plurality of walls. A lower insulating layer is disposed in the recess and on the one surface. First and second external electrodes penetrate through the lower insulating layer, are spaced apart from each other on the one surface of the body, and are connected to the coil portion. A shielding layer is disposed on the other surface of the body and the plurality of walls of the body, and extends to the one surface of the body to be spaced apart from the first and second external electrodes.

A power-transmission-side coil unit includes: a housing including a metal case body and a resin cover, an electric device provided in the housing, a metal substrate disposed between the cover and the electric device and covering the electric device, and a power transmission coil. The case body includes a base portion, and a ring-shaped wall portion protruding toward the cover along the outer peripheral edge of base portion inside the outer peripheral edge of base portion. The metal substrate includes a partition wall disposed between the cover and the electric device, and a peripheral wall extending from the partition wall toward the base portion. An end portion of the peripheral wall is disposed in the D direction relative to the upper face of the ring-shaped wall portion. At least part of a lateral face of the peripheral wall is in contact with a lateral face of the ring-shaped wall portion.

A power-transmission-side coil unit includes: a housing including a metal case body and a resin cover, an electric device provided in the housing, a metal substrate disposed between the cover and the electric device and covering the electric device, and a power transmission coil. The case body includes a base portion, and a ring-shaped wall portion protruding toward the cover along the outer peripheral edge of base portion inside the outer peripheral edge of base portion. The metal substrate includes a partition wall disposed between the cover and the electric device, and a peripheral wall extending from the partition wall toward the base portion. An end portion of the peripheral wall is disposed in the D direction relative to the upper face of the ring-shaped wall portion. At least part of a lateral face of the peripheral wall is in contact with a lateral face of the ring-shaped wall portion.

A coil component includes a body having one surface and the other surface facing each other; an insulating substrate embedded in the body, and having one surface substantially perpendicular to the one surface of the body; a coil portion disposed on the one surface of the insulating substrate, and including a coil pattern layer having a coil pattern and a lead-out pattern extending from the coil pattern and exposed from the one surface of the body; an insulating layer disposed on the one surface of the insulating substrate to cover the coil pattern layer; and first and second external electrodes arranged to be spaced apart from each other on the one surface of the body and respectively connected to the lead-out pattern. A thickness of the lead-out pattern is greater than a thickness of the coil pattern, and less than a thickness of the insulating layer.

A coil component includes a body having one surface and the other surface facing each other, and having one end surface and the other end surface facing each other in one direction; a supporting substrate embedded in the body; a coil portion disposed on the supporting substrate; a first lead-out portion connected to one end of the coil portion and exposed from the body; and a second lead-out portion connected to the other end of the coil portion and exposed from the body. The coil portion has a first pattern region facing the one surface and a second pattern region facing the other surface, each of the first and second pattern regions extends in the one direction, and a distance of the first pattern region in the one direction is shorter than a distance of the second pattern region in the one direction.

A coil component includes a body and a coil portion embedded in the body and having a plurality of turns wound about an axis. Each of the plurality of turns includes a plurality of corner portions adjacent to corners of the body, and at least one connection portion connecting adjacent corner portions among the plurality of corner portions, and a difference in heights, measured in the direction of the axis, between an innermost turn and a turn adjacent to the innermost turn, among the plurality of turns, is greater in the corner portion than in the connection portion.

An inductive device is provided. The inductive device includes a laminated body and two external electrodes. The laminated body includes an insulator and a plurality of conductive wiring layers stacked in a first direction. The conductive wiring layers are embedded within the insulator, and any two adjacent ones of the conductive wiring layers are electrically connected to each other to form a coiled conductor extending spirally. The external electrodes are disposed on the laminated body and electrically connected to the coiled conductor, and the external electrodes are spaced apart from each other. Each of the external electrodes includes a base plate, a lateral wall, and a plurality of stress dispersing structures extending toward the coiled conductor and protruding from at least one of the base plate and the lateral wall, and the stress dispersing structures are spaced apart from each other and engaged with the laminated body.

Disclosed is a magnetic component. The magnetic component of the disclosure includes a core unit including an upper core and a lower core, a bobbin unit having at least a portion disposed inside the core unit, and a coil unit including primary coils and secondary coils wound around the bobbin unit in a second direction, which is perpendicular to a first direction oriented from the upper core toward the lower core. The bobbin unit includes a first terminal accommodation portion and a second terminal accommodation portion. The first terminal accommodation portion accommodates first terminal pins, connected to at least some of the secondary coils in the second direction and having end portions bent in the first direction. The second terminal accommodation portion accommodates second terminal pins, connected to the remaining ones of the secondary coils in the second direction and having end portions bent in the first direction.

A coil component includes a multilayer body including a plurality of insulating layers and a plurality of coil conductor layers which are stacked in a stacking direction, and a first via conductor and a second via conductor that electrically connect the coil conductor layers. The first via conductor is smaller than the second via conductor.

A coil module includes a coil conductor including a plurality of coil elements and a plurality of wire electrodes disposed on a circuit board, each of the plurality of coil elements including a pair of leg portions and a bridge portion connecting one end portions of the pair of leg portions together, the plurality of coil elements being disposed to cross a winding axis. A method for manufacturing the coil module includes an assembly forming step of integrating the plurality of coil elements with resin to form a coil element assembly, and a conductor forming step of mounting the coil element assembly on the circuit board to complete the coil conductor wound about the winding axis. In the conductor forming step, the resin is introduced into a die set in which the plurality of coil elements are arranged to form a block, to thus form the coil element assembly.