Abstract: A semiconductor apparatus comprising an integrated semiconductor circuit device having pluralities of electrode pads, pluralities of first external terminals connected to the electrode pads of the integrated semiconductor circuit device, an inductor disposed in a region surrounded by the first external terminals, and a resin portion sealing them, the integrated semiconductor circuit device being arranged on an upper surface of the inductor, and the inductor being exposed from a lower surface of the resin portion together with the first external terminals.

Abstract: A split-core current transformer core comprises a U-core section in combination with a closing-bar core section that has extra length, width, and cross-sectional area as compared to the U-core section, shielding above and below secondary windings wound on bobbins that are mounted around leg portions of the U-core section and extending at least partially along a yoke portion of the core that joins the leg portions of the core, unitary construction and assemblage that accommodates calibration of output signals after assembly of the components in a base module and cover module that is hinged to the base module and has squeeze latches formed in a unitary manner with the cover housing such that they do not require assembly and do not protrude outwardly from adjacent surfaces in either open or closed mode, and other features that minimize magnetic reluctance and increase clearance and creepage distances.

Abstract: An enameled aluminum wire winding includes a framework, a connection terminal, an enameled aluminum wire, and a protective cover. The connection terminal includes a fixed part, one end of which extends to form a welded part, and the other end of which extends to form an external connection part. The fixed part is fixed to the framework. The enameled aluminum wire is wound on the framework. A contact portion of the enameled aluminum wire is welded with the welded part to form a connection section. The protective cover is provided with a glue groove in which insulating glue is contained. The connection section is submerged in the insulating glue and the insulating glue is solidified. The protective cover and the solidified insulating glue therein doubly protect the connection section, so the problems of easy oxidation, corrosion, and cracking in the connection section are solved. The winding is safe and stable.

Abstract: A bobbin can be used for a magnetic component. The magnetic component includes at least one coil, and the coil includes at least one pin. The bobbin includes a body and a pin holder. The body includes a winding part and two plates. The winding part is used for winding the coil. The plates are respectively disposed on the opposites of the winding part. The pin holder is disposed on one of the plates, and it includes at least one locating hole for inserting the pin.

Abstract: An improved magnetic component structure, wherein the structure comprises a base and two iron cores, in which the base includes a centrally through winding axle tube and the openings at both the left and right ends of the winding axle tube individually extend out a baffle. Additionally, the two iron cores are caps, in which a core column extends out from the center of the iron core toward the opening of the winding axle tube, and the core column can be inserted to the centrally through part of the winding axle tube. Therefore, the two iron cores can be clip installed between the two sets of pin parts of the base and left and right assembled to the base such that the base combined with the two iron cores can be installed upright on one side having the notch of a drive circuit board in an LED light tube.

Abstract: A transformer capable of adjusting its height is provided. The transformer is formed on a circuit board having a receiving hole. The transformer comprises a winding module, two magnetic core modules, a plurality of pins and a plurality of supporting bulges. The winding module comprises a winding baseboard and a winding pillar where a winding structure is formed thereon. The winding pillar is received in the receiving hole. The winding baseboard further comprises a corresponding surface heading to the circuit board. The magnetic core modules contact and hold the winding module. The pins are formed on the edge of the to winding baseboard to be connected to the circuit board around the receiving hole. The supporting bulges are formed between the corresponding surface and the circuit board, wherein the height of the corresponding surface relative to the circuit board is adjusted according to the supporting bulges.

Abstract: A transformer has primary coils and secondary coils that are arranged in a laminated manner in a direction of a winding axis and are mutually insulated. The secondary coils are composed of conducting plates in a plurality of layers arranged in the laminated manner in the direction of the winding axis, and the conducting plates are electrically connected in series. Connecting portions between the each conducting plates are arranged in an inner space of the primary coils.

Abstract: In a reactor core, a gap section between a plurality of core material portions is fixed by adhesion through a spacer, and a resin is arranged vertical to the adhering surface between the core material and the spacer, for sandwiching at least a part of the core material. The resin material preferable a molded material.

Abstract: An antenna assembly includes a loop-shaped coil and a holder. The holder has a first plate, a second plate, and a core disposed between the first plate and the second plate. The loop-shaped coil includes a main coil entwined around the surface of the core of the holder. The main coil includes a hollow space corresponding to the configuration of the core.

Abstract: In a disc-type coil that enables assuring a sufficiently high value of a flowing current to increase an output and comprises: a discoid insulating substrate 1; a conductor pattern 2 that is provided on each of both surfaces of the insulating substrate 1 so that through hole lands 22 and 23 are position on the outer circumferential side and the inner circumferential side of the insulating substrate 1, and that is arranged to be alternately folded back on both the surfaces of the insulating substrate 1; and through holes that are formed in the insulating substrate 1 and connect the through hole lands 22 and 23 of the conductor pattern 2, the plurality of through holes 6 are aligned and arranged in a radial direction c in each through hole land 23 on the inner circumferential side.

Abstract: A transformer structure having double-axis iron core is disclosed. The iron core structure mainly includes an iron core main body that has a base. The base has a parallel salient side convex part furnished respectively at the two opposite side edge thereof, and has a chamfered part furnished respectively at the two end parts corresponding to the side convex part thereof. It utilizes two iron core main bodies to be oppositely combined. In association with different shapes of coil, it is capable of forming various transformer structures and possesses a variety of combination, and is capable of adapting to various requirements of the product.

Abstract: A reactor has a cylindrical molded coil assembly formed by covering a coil with a resin, wherein the coil assembly is sealed by an iron powder mixed resin to which iron powder has been admixed. The reactor has an axial core shaft, and single or multiple ring-shaped core members. The ring-shaped core members are disposed outside the outer surface of the core shaft such that the core shaft is inserted inside the inner surface of said ring-shaped core members, and the coil assembly is disposed outside the outer surface of the ring-shaped core member such that the ring-shaped core members are inserted inside the inner surface of said coil assembly. A protrusion protruding inwards from the inner surface of the coil assembly contacts the axial end surface of a ring-shaped core member.

Abstract: Disclosed herein is a coil bobbin for a superconducting magnetic energy storage. The coil bobbin includes coil bobbin frames, superconducting coils, first support plates, second support plates and a center frame. The coil bobbin frames are provided in such a way as to face each other. The superconducting coils are wound around the respective coil bobbin frames. The first support plates are provided on surfaces of the respective coil bobbin frames that are on faces that are opposite to the surfaces between the coil bobbin frames that face each other. The second support plates are provided on the respective facing surfaces of the coil bobbin frames. The center frame is disposed between the second support plates and has an annular plate shape having a thickness that is gradually reduced towards a center of the toroidal arrangement.

Abstract: An assembly for retaining a coil wire assembly in the pocket of an electronic assembly such as, for example, a sensor. The retaining assembly comprises a cover which is snap-fitted over the pocket to retain and prevent the movement of the coil assembly in the pocket. In one embodiment, the ends of the coil wire assembly are retained in respective grooves formed in the cover and also in respective grooves formed in respective terminals which extend into the pocket.

Abstract: The invention relates to a transformer construction comprising a plurality of transformer cores configured to share magnetic flux paths and, as a result, at least one of the cores comprises a post and an associated sidewall having an effective cross-sectional area which is less than that of the post. Such a construction may be employed in a power conditioning unit, for example, for a photovoltaic module, which is configured to operate the cores out of phase from each other. Also described is a transformer winding comprising a longitudinal spine having a first turn emanating from a first portion of the spine in a first transverse direction and a second turn emanating from a second portion of the spine in a second transverse direction, wherein the second transverse direction is opposite to the first transverse direction.

Abstract: Provided is a wireless power transfer device. The wireless power transfer device includes: a base substrate including a base coil; transmission substrates spaced from the base substrate and including transmission coils; and a contact plug penetrating the base substrate and the transmission substrates to connect one ends of the transmission coils; wherein the transmission coils have the greater turn number than the base coil and transmitting/receiving a power signal through a magnetic resonance method.

Abstract: An inductive sensor with coils arranged substantially in layers on a flat circuit-carrier. The edges of the flat circuit-carrier are metallized obliquely so that an upper side, a lower side, an intermediate layer and/or a plurality of intermediate layers of the flat circuit-carrier are interconnected with one another via the edges in a conductive manner.

Abstract: A multi-turn coil device comprising a flexible circuit board and a plurality of serially electrically coupled coils coupled to both sides of the flexible circuit board. The coils are formed such that when the circuit board is folded in an accordion manner, the coils are substantially aligned and have the same direction of current flow. The coils are serially coupled sequentially from front to back and back to front wherein the coupling of the coils is through a plated through hole in the flexible circuit board.

Abstract: An inductor assembly includes a base and an inductor component. When the inductor component is disposed on the base, the distance between the inductor component and a nearby electronic component is increased by a connecting element or a carrying element of the base, and the inductor component is prevented from contacting the nearby electronic component by a spacing element of the base.

Abstract: A disc winding of a power transformer or a choke is provided. The disc winding includes a plurality of parallel single strand conductors. The working time for bending the strand conductors of cross-overs is reduced by sharing the winding axially in plurality of sections, and the cross-overs within a section are identical twin cross-overs. The strand conductors are bent in two groups, and a standardized twin transposition cross-over is provided between the sections such that the strand conductors are being bent in two groups. The outermost strand conductor is in the first group, and the remaining strand conductors are in the other group.

Abstract: A coil block and an electronic device using the same are provided. The coil block includes a first coil, a second coil, a core having an intermediate layer for separating the first coil and the second coil from each other, and a shield for shielding the first coil, the second coil, and the intermediate layer, wherein the first coil and the second coil have the same winding direction. According to the coil block and the electronic device, the filtering can be performed without any inductance offset even if the PWM signal having the inversed phase or the same phase is inputted. Also, since two windings can be wound on to one core using a common coil, the cost and the size of the coil block can be reduced.

Abstract: A transformer includes a bobbin assembly, a primary winding coil, a first secondary winding coil, a second secondary winding coil, and a magnetic core assembly. The bobbin assembly includes a primary winding part, a first secondary winding part, a second secondary winding part and a channel. A first opening is formed in a bottom surface of the bobbin assembly and communicates with the channel. The primary winding coil is wound around the primary winding part. The first secondary winding coil is wound around the first secondary winding part. The second secondary winding coil is wound around the second secondary winding part. The magnetic core assembly is partially embedded into the channel of the bobbin assembly, and includes a first magnetic part and a second magnetic part. The second magnetic part includes a first extension post, and the first extension post is inserted into the first opening of the bobbin assembly.

Abstract: A dry-type transformer includes at least one high-voltage winding and one low-voltage winding. The windings are operatively connected to one another by an electromagnetic field, and each winding is constructed from winding conductors, wherein the high-voltage winding and the low-voltage winding have a defined distance from one another, and spacers are arranged between the windings and maintain the defined distance.

Abstract: Improved inductive electronic apparatus and methods for manufacturing the same. In one exemplary embodiment, the apparatus comprises an inductive device module comprising N inductors and N+1 core elements. The core elements comprise ferrite core pieces that are optionally identical to one another. These core elements are stacked (e.g., in a longitudinal coaxial arrangement) such that the back of one core element associated with a first inductor provides a magnetic flux path for a second inductor. Form-less (bonded) windings are also optionally used to simplify the manufacture of the device, reduce its cost, and allow it to be made more compact (or alternatively additional functionality to be disposed therein). One variant utilizes a termination header for mating to a PCB or other assembly, while another totally avoids the use of the header by directly mating to the PCB.

Abstract: To provide a chip inductor, which can make magnetic loss of the inductor element reduced, excellent in electrical property such as high Q etc., and high reliability, which is demanded for use in vehicles. The chip inductor comprises a ferrite core (11) comprising an axial section (11a), flange portions (11b) disposed at both ends of the axial section, and concavities (11c) opened for direction of the axial section on at least one face of the flange section; an internal electrode (13) consisting of metallic plate having a notch portion at axial section side, the internal electrode fixed on the upper face of the flange section having the concavity; and a winding (12) wound around the axial section of the ferrite core; wherein an end portion of the winding (12a) comes in contact to a side of the concavity, which faces to the axial section, comes in contact to the notch portion of the internal electrode, and is fixed on upper face of the internal electrode.

Abstract: An inverter and an electronic apparatus using the inverter are disclosed. The electronic apparatus has a circuit board and an inverter. The circuit board has an opening. The inverter has a wiring frame arranged in the opening. The wiring frame has a wiring portion for wiring coils. The wiring portion has two carrying portions at opposite sides, respectively. Each of the carrying portions has a side portion. A space for accommodating magnet is formed by the wiring portion and the carrying portion and the side portion. A conductive contact is arranged at one side of the side portion and a protrusion is arranged at another side of the side portion. The protrusion is used for being against the surface of the circuit board, and the height of the inverter with respect to the circuit board can thus be adjusted by the protrusion.

Abstract: According to one embodiment, an electronic component includes a cylindrical former proper, a thick portion provided at the end of the former proper and projecting from the outer surface of the former proper, a connecting portion adjacent to the thick portion including a terminal assembly, and a wire wound around the former proper and electrically connected to the terminal assembly. The thick portion includes a first retaining portion in which the wire running from the terminal assembly to the former proper is retained.

Abstract: A slim-type high voltage transformer includes a case, and a transformer portion configured by mounting at least primary and secondary winding coils wound in the shape of a rectangular or elliptic track to protruding grooves formed in the interior of the case and then mounting a first copperplate core on the primary and secondary winding coils. In the transformer, the transformer portion further includes an insulating member interposed between the primary and secondary winding coils and the first copperplate core. Accordingly, a bobbin for winding a coil is not used, so that the height of the transformer can be minimized, thereby decreasing the size of products. Also, a winding is divided into two sections to be molded, so that the insulation and heat generation of the winding can be effectively controlled, thereby improving the stability of the transformer.

Abstract: An electromagnet for use in a relay having a coil bobbin with flange portions at both ends of a coil winding portion where a coil is wound and an iron core with a flange-like head portion at one end of a body portion, the coil bobbin being so fitted onto the iron core that the flange-like head portion and the other end of the body portion of the iron core respectively project out of each of openings formed at the flange portions of the coil bobbin. The iron core has at the other end an engageable portion to be engaged with an engaging portion formed on a grasping part of a coil winding chuck device. The electromagnet further has between the coil bobbin and the iron core a means for preventing misregistration of the coil bobbin fitted onto the iron core.

Abstract: The disclosure relates to a transformer having a yoke which has a crosspiece and at least two limbs, over which limbs a coil is placed in each case, and having at least one carrier on which the crosspiece is fixed and which has bearing faces for the coils. At least two supporting blocks for each coil are mounted on each bearing surface. The supporting blocks are fitted with elastic compensation elements on the coil-side carrying face and have, on their longitudinal side faces, which run perpendicular to a carrying surface, at least one strip which extends the creepage path and runs in the longitudinal direction and parallel to the carrying surface of the supporting block.

Abstract: A magnetic element includes a bobbin, a first winding assembly, a second winding assembly and a magnetic core assembly. The bobbin includes a winding part, a first extension part and a second extension part. The first extension part and the second extension part are separated from each other by the winding part. The first winding assembly is wound around the winding part of the bobbin, and includes plural first terminals. The second winding assembly is wound around the winding part of the bobbin, and includes plural second terminals. The magnetic core assembly includes a first window and a second window. The first extension part is protruded out of the first window. The second extension part is protruded out of the second window. At least one of the first terminals and at least one of the second terminals are simultaneously fixed on the first extension part and/or the second extension part.

Abstract: Between adjacent windings of a bifilar coil made of an HTS strip conductor in a resistive superconductive current limiter device, a spacer is provided which is transparent for a coolant. The spacer includes an electrically insulating support tape for sufficiently massive spacer elements attached thereon. The spacer elements are spaced and made of a material having high thermal conductivity. The spaces between the spacer elements form cooling channels for the coolant.

Abstract: There is provided a system for readily and efficiently fabricating a wound coil composed of a bobbinless coil. The system includes a coil winding device having an upper jig to which an upper plate is attached and a lower jig to which a lower plate is attached which are provided so as to be relatively displaceable and a tension device for applying predetermined tension to a wire rod fed from a wire rod supplying source. The coil winding device is provided with a claw section having first through third split claws that function as a winding section around which the wire rod is wound between the upper and lower plates and that slide in a radial direction when the upper jig is assembled coaxially with the lower jig.

Abstract: A coil component includes a bobbin having a core part and a flange. The flange has a first surface on a first side and a second surface on a second side. The first surface of the flange is attached to an axial end of the core part. An end of a wire is electrically connected to a metallic terminal of a terminal-mounting member disposed on the flange. The flange is formed with a notch at a position near the terminal-mounting member, and the notch extends from a peripheral edge of the flange toward the core part. A segment of the wire near the end thereof extends from the second side to the first side of the flange through the notch and further to the core part, and this segment of the wire is hooked around the wire-supporting member in the notch.

Abstract: The transformer includes a bobbin, a plurality of terminal electrode, a primary coil, a secondary coil, and a hook part. The bobbin includes a core portion extending in an axial direction, and terminal bases fixed at both ends of the core portion in the axial direction. The plurality of terminal electrode regions is provided on the terminal bases. Each terminal electrode region is provided with a wire connection part. The primary coil comprises a plurality of primary wires. The secondary coil comprises a plurality of secondary wires. The hook part is disposed between the core portion and one of the terminal electrode regions and configured to hook at least one of the primary wires and the secondary wires.

Abstract: A supporting component (10) for assembling an inductive element comprises a base on the top face of which a protrusion for accommodating the inductive element is embodied, wherein a recess is provided in said protrusion for receiving an electronic component and/or a ferrite element. Furthermore, an interference suppression coil device with a supporting component is provided, wherein the supporting component comprises a protrusion serving for accommodating an interference suppression coil. Moreover, a method for the manufacture of an inductive component to be assembled on a printed circuit board is provided.

Abstract: A transformer capable of adjusting its height is provided. The transformer is formed on a circuit board having a receiving hole. The transformer comprises a winding module, two magnetic core modules, a plurality of pins and a plurality of supporting bulges. The winding module comprises a winding baseboard and a winding pillar where a winding structure is formed thereon. The winding pillar is received in the receiving hole. The winding baseboard further comprises a corresponding surface heading to the circuit board. The magnetic core modules contact and hold the winding module. The pins are formed on the edge of the to winding baseboard to be connected to the circuit board around the receiving hole. The supporting bulges are formed between the corresponding surface and the circuit board, wherein the height of the corresponding surface relative to the circuit board is adjusted according to the supporting bulges.

Abstract: A signal isolating transformer may be arranged such that a first coil of the signal isolating transformer is located in a medium voltage compartment and a second coil of the signal isolating transformer is located external to the medium voltage compartment. The transformer spans an opening defined by a grounded wall to isolate faults in the medium voltage compartment.

Abstract: A bobbin structure is disclosed. The bobbin structure comprises plural modular bobbin members each connected with each other. Each modular bobbin member comprises a perforation channel, a first baffle disposed on one end of the perforation channel and placed perpendicularly to the perforation channel, and a second baffle disposed on the other end of the perforation channel and placed oppositely to the first baffle. The first baffle has a first connecting member, and the second baffle has a second connecting member. A first winding slot is disposed between the first baffle and the second baffle. The bobbin structure is formed by the engagement between the first connecting member of one modular bobbin member and the second connecting member of another connected one, wherein a second winding slot is formed between two connected modular bobbin members.

Abstract: A transformer can be mounted on a circuit board. The circuit board includes a high-voltage line and a load. The transformer includes a bobbin used for winding a coil. The bobbin includes a first secondary area. A first secondary high voltage pole extends from the first secondary area. A first secondary high voltage pin is fixed on an end of the first secondary high voltage pole away from the first secondary area. The bobbin is made of an insulator. The first secondary high voltage pin is made of a conductor. The high voltage end of the coil is disposed on a top surface of the first secondary high voltage pole and electrically connected to the first secondary high voltage pin. The first secondary high voltage pole is capable of jumping across the high-voltage line to make the first secondary high voltage pin to electrically connect to the load.

Abstract: A cost effective integrated automotive solution for a charger transformer with minimized fringing flux and core grounding for reducing electromagnetic interference (EMI). The method provides an air gap filled with a mixture of an adhesive and ferrite powder that bonds the ferrite core sections together. In addition, the ground pin of the transformer is exposed through a groove in the pocket of the bobbin on which the core is mounted and an electrical contact is established between the exposed end of the ground pin and the core surface by means of a drop of epoxy.

Abstract: A high voltage transformer includes an elongate core of a ferromagnetic material. A plastic transformer frame has segment walls arranged perpendicular to the core. A secondary-winding is wound around the core in winding segments divided by the segment walls. A primary winding is formed of conductor segments to provide a loop around the core. At least one of the conductor segments is a connection pin molded in one of the segment walls.

Abstract: A transformer includes a base, a magnetic core assembly and at least one winding coil assembly. The base includes a first receptacle and at least one first receiving recess. The magnetic core assembly includes a first magnetic part, a second magnetic part and a third magnetic part. The base is arranged between the first magnetic part and the second magnetic part. The first magnetic part has a first post accommodated within the first receptacle. The at least one winding coil assembly is disposed on the base. The third magnetic part is optionally accommodated within the first receiving recess, so that an air gap between the third magnetic part and the first magnetic part/the second magnetic part is adjustable.

Abstract: A transformer with a conductive plate winding structure includes a hollow core pillar, a partition, a conductive plate winding structure, and an insulating layer. The partition is fixed at the hollow core pillar for partitioning the hollow core pillar into two winding areas. The conductive plate winding structure is sheathed to the hollow core pillar and disposed at one of the two winding areas, and comprised of a plurality of conductive plates, and each conductive plate includes a ring having an opening and two conductive terminals extended out from the opening of the ring. The insulating layer is clamped between any two adjacent conductive plates, such that the conductive plates are stacked to from a winding for increasing the rated normal current and enhancing the assembling convenience.

Abstract: A coil component ensuring adhesive bonding between first and second cores. The coil component also includes an inductive component and a pair of terminal electrodes. The first core has a first adhesion surface. The second core is connected to the first core by an adhesive agent and has a second adhesion surface in confrontation with the first adhesion surface. At least one of the first adhesion surface and the second adhesion surface is formed of a glass surface layer to which the adhesive agent is applied. The inductive component is wound over the first core. The pair of terminal electrodes are provided at one of the first core and the second core. The inductive component has one end portion electrically connected to one of the terminal electrodes and has another end portion electrically connected to remaining one of the terminal electrodes.

Abstract: An improved choke assembly for a power electronics device is provided. More specifically, a choke assembly with improved protection from environmental conditions such as dirt and water is provided. An improved choke assembly may include an insulative housing for an inductor coil that seals the inductor coil from the environment.

Abstract: The superconducting current-limiting device contains at least one coil (61), the conductive track of which is formed from at least one band-shaped superconductor (17), where a holding element (2, 41, 10, 51, 62) is located between adjacent coil windings. The holding element (2, 41, 51, 62) is constructed wider than the superconductor (17) in the axial direction of the coil (61). The holding element (2, 41, 51, 62) further includes a flat strip (11) and an undulating strip (12, 42, 52). The flat strip (11) extends essentially parallel to the band-shaped superconductor (17) at an essentially constant distance (22) therefrom. The undulating strip (12, 42, 52) extends essentially parallel to the flat strip (11), and in the longitudinal direction periodically has regions (15, 43, 53) distant from and regions (13) close to the flat strip (11). The regions (13) of the undulating strip (12, 42, 52) near to the flat strip have a mechanical connection (21) to the flat strip (11).

Abstract: A low profile coil-wound bobbin is disclosed. A low profile coil-wound bobbin includes a spool and a terminal. The spool is configured to have a coil-wire arrangement wound around the spool. The terminals are to be coupled to the coil-wire arrangement and a first side of a circuit board. The terminal is configured to mechanically and/or electrically couple the low profile coil-wound bobbin to the first side of the circuit board such that the low profile bobbin extends through the circuit board to another side of the circuit board.

Abstract: A method is provided that utilizes silicon through via technology, to build a Toroid into the chip with the addition of a layer of magnetic material such as Nickel above and below the T-coil stacked multi-ring structure. This allows the connection between the inner via and an array of outer vias. This material is added on a BEOL metal layer or as an external coating on the finished silicon. Depending on the configuration and material used for the via, the inductance will increase approximately two orders of magnitude (e.g., by utilizing a nickel via core). Moreover, a ferrite material with proper thermal conduction properties is used in one embodiment.

Abstract: Various embodiments of means and methods for reducing the pick-up of electromagnetic interference (“EMI”) by coil transducers are described and shown that are configured to provide high voltage isolation and high voltage breakdown performance characteristics in small packages. In some embodiments, the lengths, heights, and horizontal distances between wires electrically connecting transmitter circuits and receiver circuits to coil transducers are minimized and optimized respecting one another.