Abstract: An electronic component comprising: a body; a conductive wire in the body; and a first lead comprising a first part disposed on a first surface of the body and a second part disposed on a second surface of the body, wherein the second part of the first lead comprises a first protrusion portion and a second protrusion portion spaced apart from each other, wherein a first portion of a first terminal part of the conductive wire is disposed between the first protrusion portion and the second part of the first lead disposed on the second surface of the body, and a second portion of the first terminal part of the conductive wire is disposed between the second protrusion portion and the second part of the first lead disposed on the second surface of the body.

Abstract: A coil component includes: a body including a support member including a through-hole, a first insulating layer supported by the support member and including a first opening portion, a second insulating layer disposed on the first insulating layer and including a second opening portion, and a coil including a coil pattern filled in the first and second opening portions; and external electrodes disposed on an outer surface of the body.

Abstract: An inductor includes a body including an internal coil having first and second end portions and an encapsulant encapsulating the internal coil and containing magnetic particles. First and second external electrodes are on external surfaces of the body and electrically connected to the internal coil. A first metal expansion portion encloses the first end portion while coming into direct contact with the first end portion of the internal coil, and may be between the body and the first external electrode. A second metal expansion portion encloses the second end portion while coming into direct contact with the second end portion of the internal coil, and may be between the body and the second external electrode.

Abstract: A fluid-cooled electromagnet includes an upper housing, a lower housing vertically aligned with the upper housing, a plurality of pancake coils disposed between the upper housing and the lower housing to be spaced apart from each other and sequentially stacked to have a washer shape, and at least one spacer, disposed between the upper housing and the lower housing, accommodating the pancake coils at regular intervals.

Abstract: An electronic component with a plurality of coil conductor layers laminated such that a coil conductor having a coil pattern on a surface of an insulation layer is formed on each of the plurality of coil conductor layers. The electronic component includes a laminated body in which a bottom face side extended electrode layer, a primary coil conductor layer including a primary coil conductor, a secondary coil conductor layer including a secondary coil conductor, a tertiary coil conductor layer including a tertiary coil conductor, a parallel primary coil conductor layer including a parallel primary coil conductor, and a top face side extended electrode layer are laminated in this order. The electronic component further includes first through sixth external electrodes on a surface of the laminated body, which are connected to the primary, secondary, tertiary and parallel primary coil conductors.

Abstract: An inductive core including a body including a ferromagnetic material and a magnet, the magnet forming a first path for circulating of magnetic flux lines produced by the magnet, and the ferromagnetic material at least partially forming a second path for circulating the magnetic flux lines, wherein the ferromagnetic material extends continuously between the poles of the magnet along the poles of the magnet and makes contact with at least a part of an exterior lateral wall of the magnet extending between its poles.

Abstract: The multilayer inductor includes a multilayer body including a plurality of insulating layers laminated in a lamination direction, and a plurality of coil groups arranged in the multilayer body along the lamination direction and connected in series. Each of the coil groups includes a plurality of coil patterns respectively provided on the insulating layers and laminated in the lamination direction, and is configured by connecting a plurality of pattern groups in series. Each of the pattern groups is formed by connecting n (n is a positive integer) coil patterns in parallel. The number of parallels n of at least one of the coil groups is different from the number of parallels n of another coil group. The insulating layers include magnetic and non-magnetic insulating layers. At least one of the insulating layers adjacent to one of the coil patterns is the non-magnetic insulating layer.

Abstract: A coil component having a magnetic core, a bobbin accommodating the magnetic core, and at least one pair of coils wound around the outer part of the bobbin. The bobbin is implemented as a heat radiating member comprising: a polymer matrix; and graphite-nano metal composites which are provided in a plurality, are dispersed on the polymer matrix, and have nano-metal particles bonded to the surface of graphite. Accordingly, the heat generated from a coil component due to an applied current can most quickly and efficiently be conducted and radiated outside, and thus degrading of common-mode-noise rejection function is prevented and a differential signal can substantially be passed without attenuation. In addition, in spite of the heat generated from the coil component or external physical and chemical stimulation, heat radiating properties can last for a long time.

Abstract: An air core reactor for use in an electric power transmission and distribution system or in an electric power system of an electrical plant is provided. The air core reactor comprises an electrically insulated support structure, an outer surface of a coil of windings configured to operate at a potential and isolated to ground or other potentials by the electrically insulated support structure and a projectile resistant cylinder that attaches directly to the outer surface of the coil of windings. The projectile resistant cylinder is configured as an integrated barrier to provide a first measure of survivability to the air core reactor such that the integrated barrier enables a continued operation of equipment after a threat has been eliminated.

Abstract: A coil component includes a magnetic body and an external electrode disposed on an external surface of the magnetic body. The magnetic body includes a support member including a through hole, filled with a magnetic material, and a via hole, a coil disposed on at least one surface of the support member, and a magnetic material encapsulating the coil and the support member. A first conductive layer is disposed on a side surface of the via hole formed in the support member and the at least one surface of the support member. The via hole is filled with a portion of the second conductive layer disposed on the first conductive layer.

Abstract: A power converter includes a magnetic core, a plurality of windings, a plurality of metal sidewalls, a first insulating member, and a second insulating member. The plurality of windings are each wound around the magnetic core and bent to have a portion extending in a direction in which the magnetic core extends. The plurality of metal sidewalls are disposed outside the plurality of windings and extend in the direction in which the magnetic core extends. The first insulating member is disposed between the plurality of windings and between the windings and the magnetic core. The second insulating member is disposed on an outside of the plurality of windings and in contact with each of the plurality of sidewalls and each of the plurality of windings. The second insulating member has a thermal conductivity higher than a thermal conductivity of the first insulating member.

Abstract: First and second coils are disposed coaxially with a gap provided therebetween and are configured to mutually cancel out magnetic fields provided thereby. A receptacle portion that defines a space traversing at least a portion of a magnetic flux produced by the coils is provided, and a magnetic powder is contained in the receptacle portion so as to occupy a portion of the space. The magnetic powder moves within the space, and this movement produces a change in the magnetic flux. This change in the magnetic flux appears in the form of a change in the inductance value.

Abstract: A thin film type inductor includes: a body including a support member including a through hole, upper and lower coils disposed on upper and lower surfaces of the support member, respectively, and a via penetrating through the support member while connecting the upper and lower coils to each other; and external electrodes disposed on an external surface of the body. A coil pattern directly connected to the via may include an inclined surface.

Abstract: Disclosed is an inductor device including a first curved metal plate, a second curved metal plate below and substantially vertically aligned with the first curved metal plate, and a first elongated via vertically aligned between the first curved metal plate and the second curved metal plate, the first elongated via configured to conductively couple the first curved metal plate to the second curved metal plate and having an aspect ratio of a width to a height of the first elongated via of at least approximately 2 to 1.

Abstract: A multilayer coil component includes an element body made of a ferrite sintered body and a coil. The coil is configured with a plurality of internal conductors juxtaposed in the element body and electrically connected to one another. An average crystal grain size in a surface region of the element body is smaller than an average crystal grain size in a region between the internal conductors in the element body. A surface of the element body is covered with a layer made of an insulating material. The insulating material is not present among the crystal grains in the surface region of the element body.

Abstract: A surge voltage reduction member includes a tubular magnetic body having a through-hole and at least one coil wire. The coil wire is inserted through the through-hole and has a winding portion which is winded around a portion of the magnetic body. The coil wire is formed by connecting a bent coil element wire and a straight coil element wire. Where the coil wire has two or more bent coil element wires, the winding portion is formed by connecting the through-hole passing portion of one of adjacent bent coil element wires to the outside passing portion of the other of the adjacent bent coil element wires and connecting the outside passing portion of the one of the adjacent bent coil element wires to the straight coil element wire.

Abstract: An electro-magnetic device is provided, including a first winding set of nested windings, and a second winding set of nested windings positioned adjacent to the first winding set. A method of making an electro-magnetic device including a first winding set of nested windings, and a second winding set of nested windings positioned adjacent to the first winding set is also provided.

Abstract: According to some aspects of the present disclosure, transformers having a screen layer and corresponding methods of winding transformers and are disclosed. Example transformers include at least one transformer core, at least one primary winding layer wound about the transformer core, and at least one secondary winding layer wound about the transformer core. The secondary winding layer includes a secondary winding wire having a width and a number of turns per layer. The transformer also includes at least one screen layer wound about the transformer core and disposed between the primary winding layer and the secondary winding layer. The screen layer includes a screen wire having substantially the same width as the secondary winding wire and substantially the same number of turns per layer as the secondary winding wire, to reduce common mode noise in the secondary winding layer.

Abstract: An inductive component is disclosed. In an embodiment, the inductive component includes at least one electrical conductor, a coil former with a hollow-shaped winding former, for being wound with the at least one electrical conductor, and a magnetic core, which is arranged in a cavity of the winding former. The at least one electrical conductor is surrounded by a potting material. The potting material has no directly adherent contact with the magnetic core so that the magnetic core is decoupled from the potting material.

Abstract: A coil electronic component includes a body including metal powder particles having shape anisotropy and a coil unit disposed in the body and having an axis perpendicular with respect to a thickness direction of the body. The metal powder particles having shape anisotropy are arranged such that a plane-shaped surface thereof is parallel to a direction of flow of magnetic flux.