Abstract: A coil component includes an element body, a coil, a first terminal electrode, and a second terminal electrode. The coil has a coil axis extending in a direction in which a pair of side surfaces face each other. The first terminal electrode and the second terminal electrode have first electrode portions exposed on end surfaces and second electrode portions exposed on a main surface, respectively, and are not exposed on each of the pair of side surfaces. In a direction in which a pair of main surfaces face each other, a distance between each of ends of the first electrode portions on the main surface side and the main surface is larger than a distance between a top portion of the coil closest to the main surface and the main surface.

Abstract: A plurality of through-hole conductors include a first through-hole conductor and a second through-hole conductor between coil conductors adjacent each other. Each of the first through-hole conductor and the second through-hole conductor includes a first end and a second end. The first end included in the second through-hole conductor is coupled to the second end included in the first through-hole conductor, and has a width larger than a width of the second end included in the first through-hole conductor. The first end included in the first through-hole conductor has a width larger than the width of the second end included in the first through-hole conductor. The second end included in the second through-hole conductor has a width smaller than the width of the first end included in the second through-hole conductor.

Abstract: A coil includes a plurality of coil conductors. The coil includes a plurality of connection portions each at which adjacent coil conductors of the plurality of coil conductors are electrically connected to each other and the adjacent coil conductors overlap each other. The plurality of connection portions include a first connection portion and a second connection portion that is farther from an electrode portion on a main surface than the first connection portion. A second area where the adjacent coil conductors overlap each other in the second connection portion is larger than a first area where the adjacent coil conductors overlap each other in the first connection portion.

Abstract: In a coil 5 of a multilayer coil component 1, an end portion 6a of a turn 6 closest to a side surface 2e in the facing direction of the side surface 2e and a side surface 2f is connected to a first external electrode 3 and an end portion 11a of a turn 11 closest to the side surface 2f in the facing direction of the pair of side surfaces 2e and 2f is connected to a second external electrode 4. The area at which the turn 6 faces the second external electrode 4 and the area at which the turn 11 faces the first external electrode 3 are smaller than the area at which turns 7, 8, 9, and 10 other than the turn 6 and the turn 11 face the first external electrode 3 or the second external electrode 4.

Abstract: The mainline pattern and the pair of bypass patterns in the multilayer inductor can be regarded as three inductors connected in parallel in the element body. That is, in the multilayer inductor, paralleling of the inductance is realized in the element body by the mainline pattern and the pair of bypass patterns. Therefore, the inductance value of the multilayer inductor as a whole can be reduced.

Abstract: In the multilayer inductor, the extending direction of the connection portion is a direction along the turn portion when viewed from the extending direction of the coil axis. In this case, the change of the current route at the junction portion between the turn portion and the connection portion becomes gentle. Therefore, the signal loss at the junction portion is reduced, a high Q value can be achieved.

Abstract: A multilayer coil component includes an element body including a main surface, first and second external electrodes disposed on the main surface, a coil disposed in the element body, a first connection conductor connecting the first external electrode and the coil, and a second connection conductor connecting the second external electrode and the coil. The second connection conductor includes a pad conductor and a through-hole conductor. The pad conductor and through-hole conductor are separated from the coil. The through-hole conductor includes a connection end connected to the pad conductor. The pad conductor includes a first portion overlapping the entire connection end included in the through-hole conductor and a second portion continuous with the first portion. The second portion is separated from the coil more than the first portion.

Abstract: A plurality of electrode conductors included in a first external electrode and a second external electrode of a multilayer coil component includes a first part in a second direction and a second part in a third direction. A first electrode conductor and a third electrode conductor differ in at least any one dimension of four dimensions including a width of the first part, a length of the first part, a width of the second part, and a length of the second part. A second electrode conductor and a fourth electrode conductor differ in at least any one dimension of the four dimensions. The first electrode conductor and the second electrode conductor differ in at least any one dimension of the four dimensions. The third electrode conductor and the fourth electrode conductor differ in at least any one dimension of the four dimensions.

Abstract: A multilayer coil component includes an element body including a main surface, a coil disposed in the element body, and an external electrode electrically connected to the coil. The external electrode includes an underlying metal layer disposed on the element body and a plated layer in contact with a surface of the underlying metal layer. The underlying metal layer includes a main surface electrode portion exposed from the main surface. At least one recess that opens to at least a surface of the main surface electrode portion is formed in the main surface electrode portion.

Abstract: The element body includes a main surface, and a side surface located on imaginary planes orthogonal to the main surface. The external electrode includes first, second and third electrode portions. The first electrode portion is exposed at the main surface. The second electrode portion is continuous with the first electrode portion and exposed at the main surface. The second electrode portion is located to extend from the first electrode portion to the imaginary planes when viewed in a direction orthogonal to the main surface. The third electrode portion is continuous with the first electrode portion and is separated from the second electrode portion in the direction orthogonal to the main surface. The third electrode portion includes outer edges coinciding with the imaginary planes when viewed in the direction orthogonal to the main surface. The element body includes a part between the second electrode portion and the third electrode portion.

Abstract: A multilayer coil component includes an element body, a coil, and an external electrode. The element body includes a main surface, side surfaces opposing each other in a first direction, and end surfaces opposing each other in a second direction. The external electrode is electrically connected to the coil. The coil includes a plurality of coil conductors disposed in the first direction. The external electrode includes a plurality of electrode conductors disposed in the first direction. The plurality of coil conductors include coil conductors positioned in the same layer as the plurality of electrode conductors and coil conductors not positioned in the same layer as any of the plurality of electrode conductors.

Abstract: In a multilayer coil component, a coil is disposed in an element body. The coil includes a plurality of coil conductors. The plurality of coil conductors include first, second, and third end portions. The first, second, and third end portions are exposed from the element body on a first surface and connected to a first external electrode. The first, second, and third end portions are arranged in order in a first direction when viewed from a second direction along the first surface and orthogonal to the first direction. The first end portion and the third end portion overlap each other when viewed from the first direction at least in part. Each of the first end portion and the third end portion has a region not overlapping the second end portion when viewed from the first direction.

Abstract: A coil component includes: an element body including a main surface; a pair of external electrodes disposed on the main surface; and a coil including a coil part positioned in the element body and a pair of connecting parts exposed from the element body and each connected to a corresponding external electrode of the pair of external electrodes. Each of the pair of external electrodes includes a first surface opposing the main surface and a second surface opposing the first surface. Each of the pair of connecting parts includes a first part coupled to the second surface of the corresponding external electrode and a second part continuous with the first part and an end of the coil part.

Abstract: A multilayer coil component 1 includes an element body 2, a pair of terminal electrodes 3, and a glass layer G provided on the terminal electrode 3. Each of the pair of terminal electrodes 3 is provided with a plurality of first projecting portions 33 tapered toward the other facing terminal electrode 3 side in an end portion 31b facing the side in the facing direction of a pair of end surfaces 2a and 2b. The glass layer G is provided along the edge of the terminal electrode 3 including at least the first projecting portion 33 in the end portion 31b of the terminal electrode 3.

Abstract: A multilayer coil component 1 includes an element body 2, a coil 5, a first terminal electrode 3, a second terminal electrode 4, a first connection conductor 6, and a second connection conductor 7. The coil 5 includes a first coil portion 8 that has one end of the coil 5 and is disposed on a side of a main surface 2c and a second coil portion 9 that has the other end of the coil 5 and is disposed on a side of the main surface 2d. A distance L2 between the first connection conductor 6 and the second coil portion 9 is larger than a distance L1 between the first connection conductor 6 and the first coil portion 8.

Abstract: A multilayer coil component 1 includes an element body 2, a coil 5, a first terminal electrode 3, a second terminal electrode 4, a first connecting conductor 6, and a second connecting conductor 7. The first connecting conductor 6 extends along a first direction D1 and has a third side 6c intersecting with a second direction D2 and a third direction D3 in a cross section orthogonal to the extension direction. The coil 5 faces the third side 6c of the first connecting conductor 6 when viewed from the first direction D1, and a side 5a facing the third side 6c is parallel to the third side 6c at the part that faces the third side 6c of the first connecting conductor 6.

Abstract: A method for manufacturing a multilayer coil component 1 includes: a step of forming an insulator layer 10; a step of forming a first coil conductor 20, a second coil conductor 21, a third coil conductor 22, and a fourth coil conductor 23; a step of obtaining a laminate L formed by laminating the insulator layer 10, the first coil conductor 20, the second coil conductor 21, the third coil conductor 22, and the fourth coil conductor 23; and a step of forming terminal electrodes 4 and 5 on the outer surface of the laminate L by a photolithography method.

Abstract: A multilayer coil component includes: a through hole connecting portion electrically connecting an end portion of the coil portion and the external terminal, in which a coil pattern and a through hole pattern are formed in each of the plurality of layers, the through hole connecting portion is formed by mutually joining a plurality of the through hole patterns in the lamination direction, the through hole pattern in at least one first layer among the plurality of layers is shifted with respect to the through hole pattern in another second layer when viewed from the lamination direction, and, when viewed from the lamination direction, a distance between the through hole pattern in the first layer and a coil pattern in the first layer is farther than a distance between the through hole pattern in the second layer and the coil pattern in the first layer.

Abstract: In a coil component, a coil is disposed in the element body and has a pair of tip portions. A pair of external electrodes are disposed on an outer surface of the element body and respectively connected to the pair of tip portions. The element body includes a core portion including a shaft portion and a pair of side end portions. The shaft portion extends in a first direction, and the coil is wound around the shaft portion. The pair of side end portions are continuous with both ends of the shaft portion in the first direction. The shaft portion and the pair of side end portions are integrally formed of the same material. The shaft portion is covered with a resin molding portion. At least a part of the pair of side end portions is exposed from the resin molding portion.

Abstract: A coil component includes an exterior body, a coil, and a pair of terminal electrodes. The coil is disposed inside the exterior body. The pair of terminal electrodes are electrically connected to the coil and are disposed on the exterior body. The exterior body includes a first portion that covers the coil and is made of a resin, and a second portion including a side surface on which the pair of terminal electrodes are disposed. The second portion includes a material having a relative permittivity lower than a relative permittivity of the resin and is disposed between the coil and the pair of terminal electrodes.