Abstract: The composite electronic component includes: a substrate having a GND pattern; a coil component having at least three terminals and mounted on a first surface of the substrate; and an overlapping arrangement component mounted on the first surface so that at least a part of the overlapping arrangement component overlaps the coil component when viewed from a first direction perpendicular to the first surface. The substrate has at least three coil connection patterns formed on the first surface and connected to the terminals, at least two component connection patterns formed on the first surface and connected to the overlapping arrangement component, and a GND via connecting one of the component connection patterns and the GND pattern to each other. The GND via is arranged in a substrate outer region, which is outside a region of a hypothetical polygon connecting all of the coil connection patterns on the substrate with a shortest perimeter, when viewed from the first direction.

Abstract: A coil device includes first and second wires, a drum core having a winding part around which the wires are wound. The drum core has first and second flanges formed at different ends of the winding core part along the first axis. First and second terminals which connect with the first wire are formed at the first flange, and third and fourth terminals which connect with the second wire are formed at the second flange. The first wire has a first coil part having a winding width W1 wound around the winding core part, and the second wire has a second coil part having a winding width W2 wound around the winding core part. The first coil part is arranged closer to the first flange and it is spaced apart from the second coil part by taking a distance W3, and W3>W1 or W3>W2 is satisfied.

Abstract: Disclosed herein is a coil component that includes a winding core part and first and second wires wound around the winding core part. The first and second wires constitute at least three winding layers on the winding core part. The same turns of the first and second wires are positioned in mutually different winding layers over a plurality of turns.

Abstract: Disclosed herein is a coil component that includes a winding core part and a wire wound around the winding core part. An i-th turn (i is an integer equal to or larger than 1) to a j-th turn (j is an integer equal to or larger than (i+2)) of the wire are wound in this order around the winding core part in an aligned state. A (j-th+1) turn of the wire is wound around a valley line formed by the i-th turn and a (i-th+1) turn. A (j-th+2) turn of the wire is wound adjacent to the j-th turn around the winding core part.

Abstract: Disclosed herein is a coil component that includes a winding core part, and first and second wires wound around the winding core part. The first and second wires constitute at least three winding layers on the winding core part. A i-th (i is an integer equal to or larger than 1) turn, a (i+1) turn, and a (i+2) turn of each of the first and second wires are positioned in mutually different winding layers.

Abstract: A coil device 2 comprises an element body 4 including a magnetic body, a coil 6? incorporated in the element body 4, and a terminal electrode 8 connected to a lead portion of the coil 6?. A shielding layer 10 including a metal and a resin is formed on at least one outer surface 4a of the element body 4.

Abstract: Disclosed herein is a coil component that includes a drum core; a terminal fitting fixed respectively to the flange part of the drum core; and a wire wound around the winding core part of the drum core. The terminal fitting has a wire connecting part to which the wire is connected and a mounting part having springiness with respect to the drum core. The distance between the flange part and the mounting part is larger than the distance between the flange part and the wire connecting part.

Abstract: Disclosed herein is a circuit substrate that includes a coil component mounted on the substrate having first and second land patterns and first and second dummy land patterns. The coil component includes a first signal terminal and a first dummy terminal which are provided on the first flange part, a second signal terminal and a second dummy terminal which are provided on the second flange part, and a wire wound around the winding core part and whose one end and other end are connected respectively to the first signal terminal and the second signal terminal. The coil component is mounted on the substrate such that the first and second signal terminals are connected respectively to the first and second land patterns and that the first and second dummy patterns are connected respectively to the first and second dummy land patterns.

Abstract: Disclosed herein is a composite electronic component that includes: a first coil pattern formed on at least a first conductor layer, the first coil pattern having one end coupled to the first terminal electrode and other end coupled to the second terminal electrode; a second coil pattern formed on at least a second conductor layer; a third coil pattern formed on at least the first and second conductor layers, the third coil pattern having one end coupled to the one end of the second coil pattern and other end coupled to the third terminal electrode; and a fourth coil pattern formed on at least the first and second conductor layers, the fourth coil pattern having one end coupled to the other end of the second coil pattern and other end coupled to the fourth terminal electrode.

Abstract: Disclosed herein is a coil component that includes a plate-like base member, a magnetic core mounted on the base member, a wire wound around the magnetic core such that an axis direction thereof is substantially parallel to the base member, and a terminal electrode fixed to the base member and connected to an end portion of the wire. The base member is made of a material having a permeability lower than that of the magnetic core.

Abstract: Disclosed herein is a coil component that is surface-mountable on a substrate. The coil component includes a magnetic core, a wire wound around the magnetic core such that the coil axis direction is substantially parallel to the substrate, a terminal electrode connected to an end of the wire, and a low permeability part provided between the magnetic core and the terminal electrode. The low permeability part has a permeability lower than that of the magnetic core.

Abstract: Disclosed herein is a common mode filter that includes a core having a winding core part and first and second wires wound in a same direction around the winding core part. The first and second wires have a first crossing portion at which first turns thereof counted from one ends thereof cross each other and a second crossing portion at which first turns thereof counted from the other ends thereof cross each other. The first and second wires are wound by layer winding in an aligned state with one of the first and second wires positioned in a lower layer and other one thereof positioned in an upper layer in at least parts of the first and second wires between second turns thereof counted from the one ends thereof and second turns thereof counted from the other ends thereof.

Abstract: Disclosed herein is a common mode filter that includes first and second wires wound in the same direction around the winding core part. The first and second wires include first and second layer winding portions each including a plurality of blocks axially alternately arranged. A first block belonging to the first layer winding portion is disposed closest to the first flange part. A second block belonging to the second layer winding portion is disposed closest to the second flange part. The first and second wires cross each other in a region between axially adjacent blocks.

Abstract: Disclosed herein is a common mode filter that includes first and second wires wound in the same direction around the winding core part. The first and second wires have first to third layer winding portions, a first crossing portion positioned between the first and third layer winding portions, and a second crossing portion positioned between the second and third layer winding portions. The vertical positions of the first and second wires are reversed at least partially between the first and third layer winding portions, and the vertical positions of the first and second wires are reversed at least partially between the second and third layer winding portions.

Abstract: Disclosed herein is a coil component that includes a winding core part and a wire wound around the winding core part. The winding core part includes a first winding area positioned on a first flange part side, a second winding area positioned on a second flange part side, and a third winding area positioned between the first and second winding areas. The wire includes a first section wound in a plurality of turns around the first winding area, a second section wound in a plurality of turns around the second winding area, and a third section wound in less than one turn around the third winding area. A shift amount of a winding position of the wire in an axial direction per turn is larger in the third section than in each of the first and second sections.

Abstract: A coil device includes a core having a winding core portion and flange portions and formed in end portions of the winding core portion, a first winding portion formed by winding a first primary wire and a first secondary wire around the winding core portion, and a second winding portion formed by winding a second primary wire and a second secondary wire around the winding core portion. The second winding portion is formed with an alternating winding region where the second primary wire and the second secondary wire are alternately disposed and wound and a continuous winding region where either the second primary wire or the second secondary wire is continuously wound.

Abstract: Disclosed herein is a circuit board that includes a substrate and a coil component mounted on the substrate. The coil component includes a core and a wire wound around the core. The substrate includes a dielectric and a capacitive electrode capacitively coupled to the wire through the dielectric and supplied with a ground potential.

Abstract: Disclosed herein is a coil component that includes a core having a winding core part, a first flange part positioned at one axial end of the winding core part, and a second flange part positioned at other axial end of the winding core part; a wire wound around the winding core part; a first conductive member overlapping the wire through a dielectric; a first terminal electrode provided on the first flange part and connected to one end of the wire; a second terminal electrode provided on the second flange part and connected to other end of the wire; and a third terminal electrode provided on the first flange part and connected to the first conductive member.

Abstract: Disclosed herein is a coil component that includes a winding core part and first and second wires wound around the winding core part. The first and second wires constitute at least three winding layers on the winding core part. The same turns of the first and second wires are positioned in mutually different winding layers over a plurality of turns.

Abstract: Disclosed herein is a coil component that includes a winding core part, and first and second wires wound around the winding core part. The first and second wires constitute at least three winding layers on the winding core part. A i-th (i is an integer equal to or larger than 1) turn, a (i+1) turn, and a (i+2) turn of each of the first and second wires are positioned in mutually different winding layers.