Abstract: A coil component includes a nonmagnetic body having a cured product of a polymer resin, an insulating substrate embedded in the body and having a thickness of 30 ?m or less, a coil portion including first and second coil patterns respectively disposed on first and second opposing surfaces of the insulating substrate, and first and second external electrodes disposed on a surface of the body to be connected to each of the first and second coil patterns exposed to the surface of the body.

Abstract: A base of a relay has a leg extending in a contact/separation direction between contacts, and the leg is configured to come into contact with a yoke when the base is incorporated into a case. The leg is spaced away from an upper part of an armature by a distance. This distance is determined so that an upper surface of the armature does not come into contact with the leg in a normal operation of the armature, but the upper surface of the armature comes into contact with a lower surface of the leg when the armature jumps up beyond a movable range thereof due to, for example, a strong impact applied to a vehicle on which the relay is mounted.

Abstract: Provided is a coil component less prone to aggregation of metal fillers contained in an external electrode. The coil component includes: a base body; a conductor wound around a coil axis; and an external electrode provided on a surface of the base body and electrically connected to an end portion of the conductor, wherein the external electrode includes an electrode layer containing a plurality of first fillers, a plurality of second fillers, and a resin. Each of the plurality of second fillers has a flat shape. One end of each of said at least one of the plurality of second fillers is in direct contact with and bonded by metallic bond to said at least adjacent one of the plurality of first fillers and/or said at least adjacent one of the plurality of second fillers.

Abstract: A permanent electromagnetic holder is provided with: a first magnet; a second magnet; and a coil, the first magnet being configured such that magnetic pole surfaces of different magnetic poles are oriented in a thrust direction of an axial center orthogonal to the attracting surface, the second magnet being configured such that magnetic pole surfaces of different magnetic poles are oriented in the thrust direction of the axial center and being disposed outside the first magnet, the coil being disposed between the first magnet and the second magnet, the first magnet, the second magnet, and the coil being arranged so as to overlap in the radial direction of the axial center, and an operation of switching an attraction ON/OFF state being carried out by switching a magnetizing direction of the first magnet through instantaneous energization of the coil when the attraction ON/OFF state is switched.

Abstract: A coil structure includes layered metal plates, wherein each of the metal plates includes a lead wire portion having a partial-loop shape, end portion thick plate portions formed at both ends of the lead wire portion and thicker than the lead wire portion, and an inside thick plate portion formed with a thickness the same as the end portion thick plate portions, the inside thick plate portion being arranged inside a partial loop formed by the lead wire portion and being away from the lead wire portion, and wherein adjacent metal plates are bonded to each other at one of the end portion thick plate portions, the lead wire portions of the respective metal plates are connected in series to form a coil having a partial-loop shape, and the inside thick plate portions of the adjacent metal plates are bonded to each other to form a magnetic core.

Abstract: The present invention relates to an electromagnetic contactor, and more particularly, to an electromagnetic contactor for star-delta driving, which is capable of rapidly and safely switching a connection of a 3-phase motor from a star connection to a delta connection and simplifying configurations of a connection circuit and an opening/closing device. According to the electromagnetic contactor for star-delta driving and a control device thereof of the present invention, the connection of the 3-phase motor can be switched rapidly and safely from the star connection to the delta connection, and the configuration of the connection circuit and a control circuit of a power supply thereof and a magnetic switch configuration can be simplified, and thus, there is an effect of saving space by reducing the size and weight of a product and reducing the numbers of power wirings and control circuit wirings.

Abstract: A magnetic core for an electromagnetic induction device, comprising: a limb made of a grain-oriented material, a yoke made of an amorphous material, and an auxiliary joint member made of grain-oriented material, wherein the auxiliary joint member joints the limb with the yoke, wherein the grain orientation of the limb is perpendicular to the grain orientation of the auxiliary joint member.

Abstract: A coil component includes a body, a support substrate, a coil portion on one surface of the support substrate, and first and second external electrodes disposed on the body and connected to the coil portion. 100 ?m?0.5*b*tan ?, where, on a cross-section perpendicular to the one surface of the support substrate, P1 is a point among points at which an outline of one coil turn and the support substrate intersect, P2 is a point among points at which an outline of an adjacent coil turn and the support substrate intersect, P3 is a point among points of the one coil turn having a maximum line width, ‘a’ is a length of a first virtual segment connecting P1 to P3, ‘b’ is a length of a second virtual segment connecting P1 to P2, and ? is an angle defined by the first and second virtual segments.

Abstract: A magnetic element includes a magnetic core assembly and a winding assembly. The magnetic core assembly includes a first magnetic part. The winding assembly includes a first winding. The first winding is wound around the first magnetic part. Moreover, at least a portion of a substrate is formed as the first winding. The substrate includes a first accommodation space and a first metal structure. Moreover, at least a portion of the first metal structure is formed as at least a portion of the first winding and disposed on four lateral surfaces of the first accommodation space, and at least a portion of the first magnetic part is disposed within the first accommodation space.

Abstract: An inductor can be formed in a coreless electronic substrate from magnetic materials and/or fabrication processes that do not result in the magnetic materials leaching into plating and/or etching solutions/chemistries, and results in a unique inductor structure. This may be achieved by forming the inductors from magnetic ferrites. The formation of the electronic substrates may also include process sequences that prevent exposure of the magnetic ferrites to the plating and/or etching solutions/chemistries.

Abstract: A keyswitch assembly includes a base, a pressable plate, a first magnetic acting member and a second magnetic acting member. An accommodating space is defined within the base, and an upper surface of the base is provided with a connecting portion. The pressable plate includes a pressing portion, an acting portion and a pivotal connection portion located between the pressing portion and the acting portion and pivotally connected to the connecting portion. The first magnetic acting member is disposed on the acting portion; the second magnetic acting member is disposed on the base corresponding to the first magnetic acting member. The keyswitch assembly is configured such that the first magnetic acting member and the second magnetic acting are attracted or repulsed each other by a magnetic force, so as to provide or change a pressing resistance of the pressing portion.

Abstract: A common-mode choke coil includes a multilayer body, a first coil, a second coil, a first terminal electrode, a second terminal electrode, a third terminal electrode, and a fourth terminal electrode. The multilayer body includes plural non-conductor layers. The first and second coils are incorporated in the multilayer body. The first and second terminal electrodes are connected to the first coil. The third and fourth terminal electrodes are connected to the second coil. The first coil has a path length L1, the second coil has a path length L2, and the sum of the path length L1 and the path length L2 is less than or equal to 3.5 mm. The non-conductor layers each have a relative permittivity of less than or equal to 11.

Abstract: A surface-mounted transformer includes an adhesive layer and a winding product. The winding product is disposed inside the adhesive layer; the winding product includes an I-shaped magnetic core and a coil wound on a middle pillar of the I-shaped magnetic core; leading-out ends of the coil are connected to electrodes; the electrodes are exposed on the surface of the adhesive layer; and the adhesive layer is obtained through compression molding forming of a magnetic molding material. Compared with a surface-mounted transformer in the prior art, which has equal performance indexes, the surface-mounted transformer has a smaller size with a decrease proportion of over 50%; and a BOBBIN and an insulating rubber tape do not need to be used in processing. The winding product in the surface-mounted transformer is completely covered by the adhesive layer, so that the product is high in reliability and can support a PSIP plastic package environment.

Abstract: A relay includes an electromagnet, a plurality of springs having contacts which open and close in accordance with operation of the electromagnet and terminals, and a base which supports the springs, wherein at least one of the plurality of springs has a locked part which is locked on the base using resilience of the spring, and the base has a lock part which locks the locked part.

Abstract: An inductor that includes a body having a magnetic portion containing a magnetic powder and a first resin; a coil that is encapsulated in the body and includes a winding portion formed by winding a conductor and a pair of lead-out portions that extend from the winding portion; and a pair of outer electrodes to which at least end portions of the lead-out portions are connected at surfaces of the body. The outer electrodes each includes an electrically conductive resin layer and a first cover layer arranged on the electrically conductive resin layer. The electrically conductive resin layers each contain an electrically conductive powder and a second resin and a plurality of electrically conductive metal portions composed of the same material as the first cover layers are contained inside the electrically conductive resin layers.

Abstract: A base of a relay has a leg extending in a contact/separation direction between contacts, and the leg is configured to come into contact with a yoke when the base is incorporated into a case. The leg is spaced away from an upper part of an armature by a distance. This distance is determined so that an upper surface of the armature does not come into contact with the leg in a normal operation of the armature, but the upper surface of the armature comes into contact with a lower surface of the leg when the armature jumps up beyond a movable range thereof due to, for example, a strong impact applied to a vehicle on which the relay is mounted.

Abstract: A coil component includes: a core that includes a winding-core portion and a flange portion that is formed on an end surface of the winding-core portion; a wire that is wound around the winding-core portion; and an outer electrode that is formed on a bottom surface of the flange portion, to which an end portion of the wire is connected, and that includes a first metal layer that forms a surface of the outer electrode. At least a part of the end portion of the wire is embedded in the first metal layer.

Abstract: Provided is a relay switch device including a relay housing, a first upper fixing terminal and a second upper fixing terminal arranged side by side over an inside and an outside of the relay housing, a first lower fixing terminal electrically connected to the first upper fixing terminal and arranged under the first upper fixing terminal to be apart a predetermined distance from the first upper fixing terminal, and a second lower fixing terminal electrically connected to the second upper fixing terminal and arranged under the second upper fixing terminal to be apart a predetermined distance from the second upper fixing terminal, and a circuit mode switch module provided to selectively contact the first and second upper fixing terminals or the first and second lower fixing terminals by moving a predetermined distance.

Abstract: An inductor device includes a first wire, a second wire, and a third wire. The first wire includes a plurality of first sub-wires. The second wire includes a plurality of second sub-wires. The sequence of the first sub-wires and the second sub-wires is that at least two first sub-wires of the first sub-wires and at least one second sub-wires of the second sub-wires are disposed to each other in an interlaced manner. The third wire is disposed adjacent to at least two first sub-wires of the first sub-wires.

Abstract: An electronic component includes: an element body in which a plurality of insulator layers are stacked; a coil in which a plurality of inner conductors installed in the element body are electrically connected to each other; and an outer electrode that is disposed on an outer surface of the element body, is electrically connected to the coil, and includes at least a baked electrode layer. The inner conductor connected to the outer electrode includes a connection conductor that electrically connects the baked electrode layer to the inner conductor. The connection conductor includes a protruding portion that protrudes from the outer surface of the element body to the outer electrode. The protruding portion includes a metal having a smaller diffusion coefficient than a metal of a main component included in the baked electrode layer. The inner conductors have a lower electric resistance value than the metal included in the protruding portion.