Abstract: A coil component includes a first core including a support portion, a core portion protruding from the support portion, and a sidewall portion protruding from the support portion and partially surrounding the core portion, the sidewall portion including first and second sidewalls connected to each other, and surfaces of the first core opposing the first and second sidewalls being open, a winding-type coil disposed on the first core, and a second core attached to the first core.

Abstract: An electronic component according one embodiment of the disclosure includes an insulator, an internal conductor, and an external electrode. The insulator is made of a material containing resin. The insulator includes a first insulating layer that has a first bonding surface perpendicular to one axial direction and a second insulating layer bonded to the first bonding surface. The internal conductor includes a plurality of first via conductive members provided in the first insulating layer and a plurality of second via conductive members provided in the second insulating layer. Each of the first via conductive members has a first contact connected to the corresponding second via conductive member at a position offset in the one axial direction with respect to the first bonding surface.

Abstract: The invention refers to a coupled inductor having a core and two windings, wherein the first winding has a first and a second terminal end and wherein the second winding has a third and a fourth terminal end, wherein the first to fourth terminal ends are arranged on a lower side of the core, wherein each winding has an intermediate section extending through a through-hole in the core, wherein the two windings are designed at least in the intermediate section as flat stripes each having first and second side faces with a large width and third and fourth side faces having a small width compared to the width of the first and second side faces, wherein the first side faces of both windings are arranged in the intermediate section perpendicular to the lower side of the core and wherein the two first side faces of the windings in the intermediate section face each other and/or abut each other in the intermediate section.

Abstract: An inductor component has an element body defined by a length, a height, and a width, a coil disposed in the element body and helically wound in the width direction, and first and second external electrodes disposed in the element body and electrically connected to the coil. The coil includes a plurality of coil conductor layers arranged side by side in the width direction. The plurality of coil conductor layers is each wound in parallel with a plane including the length direction and the height direction. At least one of the coil conductor layers has a shortest distance of 140 ?m or less in at least one of the length and height directions between an inner circumferential surface of the coil conductor layer and an outer surface of the element body opposite to this inner circumferential surface.

Abstract: A rotary electric motor includes an annular stator, a rotor rotatably held on an inner circumferential side of the stator, a plurality of stator cores forming the stator, insulators attached to the stator cores and formed of an insulating material, coils wound around the insulators, and a plurality of terminals to which coil terminal lines of the coils are connected. Each of the terminals includes at least two protrusions protruding from a substrate. The at least two protrusions are formed of a permanent press-fitting portion for press-fitting one of the terminals into the corresponding one of the insulators and a temporary press-fitting portion for temporarily press-fitting the one of the terminals when the corresponding one of the coil terminal lines is joined to the one of the terminals with solder.

Abstract: One example includes a device that is comprised of a die, a leadframe, and an electrically conductive material. The die includes a circuit therein. The leadframe is coupled with the die and the circuit therein. The electrically conductive material is disposed in a space above the die opposite the leadframe, the electrically conductive material being coupled to the leadframe and configured as one or more turns thereof to form at least one inductor.

Abstract: A method of manufacturing a winding-type coil component which can efficiently manufacture a winding-type coil component having external electrodes where a height of the external electrodes is gradually increased in an inclined manner from opposedly facing surfaces of one flange portion and the other flange portion to surfaces of the one flange portion and the other flange portion on a side opposite to the opposedly facing surfaces.

Abstract: A coil component has an outer electrode include a bottom-surface electrode portion disposed along a bottom surface of a component body and an end-surface electrode portion disposed along an end surface of the component body so as to be continuous with the bottom-surface electrode portion. The adhesive strength of the bottom-surface electrode portion with respect to the component body is lower than that of the end-surface electrode portion with respect to the component body.

Abstract: A high-voltage transformer is disclosed. The high-voltage transformer includes a transformer core; at least one primary winding wound once or less than once around the transformer core; a secondary winding wound around the transformer core a plurality of times; an input electrically coupled with the primary windings; and an output electrically coupled with the secondary windings that provides a voltage greater than 1,1200 volts. In some embodiments, the high-voltage transformer has a stray inductance of less than 30 nH as measured on the primary side and the transformer has a stray capacitance of less than 100 pF as measured on the secondary side.

Abstract: A transformer includes a core having first and second yokes and at least one leg extending between the first and second yokes. The at least one leg includes a coil assembly mounted thereto between the first and second yokes. An annular end barrier is provided at one or both ends of the coil assembly to provide a barrier between the adjacent yoke and a high voltage winding of the coil assembly.

Abstract: The invention relates to an electric device, especially to a connecting rod, said connecting rod comprises a conductive first column portion that has an interference fit with a busbar, said first column portion axially arranges a conductive second column portion which has an interference fit with said first column portion, said second column portion is located inside of said first column portion, a thermal expansion coefficient of said second column portion is greater than that of said first column portion. Said transformer has such advantageous effects, 1. the same overlapping length increases more conductive surface for reducing a current density to achieve low temperature rising of connecting part; 2. amount of material is reduced and save the social source; 3. the electric clearance or safety distance is increased, an electric safety of device is also increased; 4. a width of a connecting part is reduced, an occupation space of transformer is also reduced.

Abstract: A transformer 10 comprises a bobbin 20. A cylinder portion 28 of the bobbin 20 is provided with a first winding part 35 where a first wire 37 is wound and a second winding part 36 where a second wire 38 is wound at a position different from the first winding part 35 in an axial direction. At an outer circumference of the cylinder portion 28 located between the first winding part 35 and the second winding part 36, an insulating partition collar 30 is formed. On the first winding part 35, a winding partition collar 33, separating in respective sections S1, S2, is formed. On the winding partition collar 33, at least one communication groove 33a, communicating the sections S1, S2 adjacent to each other is formed. The first wire 37 is ?-wound around the first winding part 35.

Abstract: An electromagnetic component includes a coil portion with a multi-layer stack structure, a molded body encapsulating the coil portion, and two electrodes respectively coupled to two terminals of the coil portion. The coil portion is fabricated using plating, laminating and/or pressing manufacturing techniques.

Abstract: A low profile electromagnetic component assembly for a circuit board such as a power inductor includes a first shaped magnetic core piece comprising a bottom surface for seating upon the circuit board, a top surface opposing the bottom surface, and a groove defined on the top surface. A conductive coil winding includes first and second terminal sections and a center main winding section extending between the first and second terminal sections. The center main winding section comprises an elongated strip of conductor having a thickness oriented extend to perpendicular to a plane of the circuit board. The terminal sections define a different cross sectional area of conductor than in the center main winding section.

Abstract: An electronic component includes a plurality of groups arrayed in a stacking direction, each including a first inductor conductor layer, a second inductor conductor layer, a connection conductor layer and a first insulator layer. In each group, the first insulator layer is provided between a first superposed portion of the first inductor conductor layer and a second superposed portion of the second inductor conductor layer. The connection conductor layer is provided at the same position as the first insulator layer in the stacking direction, and electrically connects the first non-superposed portion and the second non-superposed portion included in the same group to each other. Among two adjacent groups in the stacking direction, a second superposed portion included in a group on another side in the stacking direction and a first superposed portion included in a group on one side in the stacking direction are physically connected to each other.

Abstract: Disclosed herein is a coil component that includes an element body made of a first magnetic material, a coil conductor embedded in the element body, and first and second magnetic films made of a second magnetic material having higher permeability than that of the first magnetic material. The element body has an upper surface crossing a coil axis of the coil conductor and first and second side surfaces extending substantially parallel to the coil axis. The first magnetic film is formed on the upper surface and first side surface of the element body, and the second magnetic film is formed on the upper surface and second side surface of the element body.

Abstract: An embedded magnetic component device includes a magnetic core located in a cavity in an insulating substrate. An electrical winding includes inner and outer conductive connectors. An inner solid bonded joint boundary is located between first and second portions of the insulating substrate and extends between the cavity and the inner conductive connectors. An outer solid bonded joint boundary is located between the first and the second portions of the insulating substrate extends between the cavity and the outer conductive connectors. The minimum distance of the inner solid bonded joint boundary between any of the inner conductive connectors and the inner interior wall of the cavity is defined as D1, and the minimum distance of the outer solid bonded joint boundary between any of the outer conductive connectors and the outer interior wall of the cavity is defined as D2. D1 and D2 are about 0.4 mm or more.

Abstract: In an embodiment, a coil component 10 has a drum core 20 housed in a through hole 32 of a ring core 30, and two types of securing parts are provided in a gap G between an outer circumference of one flange part 24 of the drum core 20 and an inner circumference of the through hole 32. Terminal electrodes 50A, 50B connecting to ends 46A, 46B pulled out from a winding wire 40 wound around the drum core 20 are assembled to the ring core 30. Second securing parts 60A, 60B are arranged to opposite to each other with respect to a center C of the flange part 24, and first securing parts 62A, 62B are provided to cover an outer side of the second securing parts 60A, 60B. A hardness of the second securing part is higher than that of the first securing part.

Abstract: In an embodiments, a coil component 10 is constituted by a drum core 20, a ring core 30, and a resin base 70. A metal plate is embedded in the resin base 70, terminal electrodes 50A, 50B are exposed on a mounting surface side, and connecting parts 52A, 52B internally connected with the terminal electrodes 50A, 50B are pulled out from side surfaces 74A, 74B of the resin base 70. A coating 44 is laser-stripped from lead parts 46A, 46B at both ends of the winding wire 40 wound around a winding shaft 22 of the drum core 20. An end of the conductive wire 42, from which the coating 44 is stripped, is sandwiched by the connecting parts 52A, 52B and securing parts 54A, 54B, and joined together by laser irradiation, forming joining parts 56A, 56B which are separated from the coating end 45.

Abstract: In an embodiment, a common mode choke coil 10 includes a drum core 12, coil part 30, and terminal electrodes 40, 42, 44, 46. The drum core 12 has a shaft part 14 and flange parts 16, 22, and conductive wires 32, 34 are wound around the outer periphery face of the shaft part 14 in the same winding direction by the same number of windings, with leader parts 32A, 32B, 34A, 34B led from both ends thereof. The flange parts 16, 22 have side face grooves 18, 20, 24, 26 on their side faces 16C, 16D, 22C, 22D, inside which side face grooves the engagement parts 40A, 42A, 44A, 46A are provided and positioned across the center of the flange part 16 or 22 in the height direction, where the leader parts 32A, 32B, 34A, 34B are electrically connected to the terminal electrodes 40, 42, 44, 46.

Abstract: A transformer includes a ceramic housing, a primary winding disposed within the housing, a secondary winding disposed outside the winding, and a core extending through a first aperture in the housing. The housing includes a first portion and a second portion. Each of the first and second portions include a planar structure having a first housing aperture, and a plurality of sidewalls extending perpendicular to the planar structure along a plurality of edges of the planar structure. The first and second portions interface with one another when the ceramic housing is assembled such that the sidewalls of the first and second portions overlap with one another.

Abstract: A low cost, low profile, small size and high performance inductive device for use in electronic circuits. In one exemplary embodiment, the device includes a ferrite core comprising a step gap, a winding disposed on the core, and a magnetic powder and epoxy mixture packed in to create a cubic-shaped inductor optimized for electrical and magnetic performance. Additionally, the incorporation of the magnetic powder and epoxy mixture around the step gap eliminates fringing magnetic fields during device operation thereby minimizing adverse electromagnetic inference on adjacently disposed electronic components. The geometry and placement of the step gaps can be varied in order to optimize performance parameters associated with the underlying inductive device. Methods of manufacture and use for the inductive device are also disclosed.

Abstract: A reactor is provided. The reactor includes a coil and a terminal block that is fixed to conductor wires that led out from both ends in a winding core direction of the coil. The terminal block includes an input-side terminal block that is fixed to an input-side conductor wire that leads out from one end of the coil, and an output-side terminal block that is fixed to an output-side conductor wire that leads out from another end portion of the coil. The input-side terminal block and the output-side terminal block are disposed on different levels in the winding core direction based on lead-out positions in the winding core direction of the input-side conductor wire and the output-side conductor wire.

Abstract: A coil component includes a body including a plurality of dielectric layers that are stacked and a plurality of conductor patterns formed on respective dielectric layers and connected to each other by conductive vias, and external electrodes connected to end portions of the plurality of conductor patterns. At least portions of the external electrodes are recessed in the body.

Abstract: A pulse transformer is provided with a drum core including a winding core and first and second flanges, and wires wound around the winding core. First terminal electrodes and a second center tap are provided on the first flange, and second terminal electrodes and a first center tap are provided on the second flange. Each end of the wires is connected to a corresponding one of the first terminal electrodes, the second center tap, the second terminal electrodes, and the first center tap. A length of the drum core in the X direction is equal to a length of the drum core in the Y direction, so that the shape of the mounting region on the printed circuit board is not changed even after being rotated by 90°.

Abstract: An embedded magnetic component device includes a magnetic core located in a cavity in an insulating substrate. An electrical winding includes inner and outer conductive connectors. An inner solid bonded joint boundary is located between first and second portions of the insulating substrate and extends between the cavity and the inner conductive connectors. An outer solid bonded joint boundary is located between the first and the second portions of the insulating substrate extends between the cavity and the outer conductive connectors. The minimum distance of the inner solid bonded joint boundary between any of the inner conductive connectors and the inner interior wall of the cavity is defined as D1, and the minimum distance of the outer solid bonded joint boundary between any of the outer conductive connectors and the outer interior wall of the cavity is defined as D2. D1 and D2 are about 0.4 mm or more.

Abstract: An electronic module is provided. The electronic module includes: a magnetic device having a magnetic body, electronic devices, and a substrate, wherein a first lead extends out from a first lateral surface and a second lead extends out from a second lateral surface opposite to the first lateral surface of the magnetic body and the substrate and the second lead of the magnetic device are located at a same lateral side of the magnetic body and the second lead is extended from the second lateral surface of the magnetic body to the substrate to electrically connect the magnetic device and the substrate.

Abstract: A transformer structure comprising a winding stand, a first coil, two second coils, and an iron core set. The first coil winds on the winding portion of the winding stand, and the first coil connects to the first pins electrically. The second coils are two metal sheets having electrical conductivity, the two second coils are provided with a ring body and two second pins respectively, the two second coils being arranged on the side edge of the winding portion of the winding stand. The iron core set is arranged on the winding stand, and the iron core set passes internally through the first coil and the two second coils. As a result, the DC resistance is decreased and the power consumption is reduced accordingly, improving the temperature rising problem.

Abstract: A method of manufacturing a winding-type coil component, wherein at the time of manufacturing the winding-type coil component, the method can efficiently form an inclined external electrode, can change inclination of an external electrode, and can satisfy a demand for the manufacture of plural kinds of winding-type coil components provided with external electrodes having different inclination angles respectively.

Abstract: Disclosed herein is a common mode filter that includes first and second terminal electrodes provided on the first flange part, third and fourth terminal electrodes provided on the second flange part, a first wire wound around the winding core part and having one end connected to the first terminal electrode and other end connected to the third terminal electrode, and a second wire wound around the winding core part and having one end connected to the second terminal electrode and other end connected to the fourth terminal electrode. The winding core part includes a first winding region, a second winding region, and a third winding region positioned between the first and second winding regions in the axial direction. The first and second wires are bifilar-wound in the first and second winding regions and layer-wound in the third winding region.

Abstract: An electrical component is disclosed, wherein the electrical component comprises: a body and an electrode structure disposed on a first surface of the body, wherein the electrode structure comprises an inner metal layer and an outer metal layer, wherein a terminal of a conductive element of the electrical component is disposed between the inner metal layer and the outer metal layer, wherein the terminal of the conductive element of the electrical component is electrically connected to the inner metal layer and the outer metal layer for electrically connecting with an external circuit.

Abstract: An electromagnetic valve includes a movable valve, and an electromagnetic solenoid. The electromagnetic solenoid has a bobbin including a body part, a flange part in which a recess portion is defined to recess inward in a radial direction, and an extension part extending at a position between the flange part and the body part to connect a bottom surface of the recess portion to a body surface of the body part. The extension part has a projection projected outward in the radial direction from a position between the body part and a connection part connecting a winding wire to a terminal part.

Abstract: An electronic component includes a first ceramic substrate having a first principal surface on the upper side and a second principal surface on the lower side, a multilayer body constituted by a plurality of insulator layers each made of a material containing resin and laminated on the first principal surface, a first coil disposed in and/or on the multilayer body, a first relay conductor connected to the first coil, and a first outer electrode disposed on the first ceramic substrate and electrically connected to the first relay conductor. The plurality of insulator layers include one or more first insulator layers in each of which a first corner has a shape cut away as a first cut-away portion, the first relay conductor is disposed in the first cut-away portion, and the plurality of insulator layers include a second insulator layer that is contacted with the first relay conductor from below.

Abstract: A multilayer electronic component includes: a multilayer body includes stacked insulating layers and internal coil parts disposed on the insulating layers; external electrodes disposed on an outer portion of the multilayer body and connected to the internal coil parts; and a material layer disposed on an outermost coil part among the internal coil parts and having a specific resistance that is lower than a specific resistance of the internal coil parts.

Abstract: Provided is a reactor that enables an end portion of a wire forming a coil to be accurately connected to a terminal fitting and that also has excellent assemblability. A reactor includes a coil formed by winding a wire and a magnetic core having a portion disposed inside the coil, wherein the magnetic core includes a terminal-equipped outer core component, the terminal-equipped outer core component including a side main portion protruding from the coil and constituting a magnetic circuit, a terminal fitting connected to an end portion of the wire, and a side resin-molded portion integrally holding the side main portion and the terminal fitting.

Abstract: A coil component includes a core formed by a magnetic material, a coil embedded in the core, a part of a terminal portion of the coil protruded from a side surface of the core, and a tabular terminal, a part thereof protruded from the side surface of the core and partly connected with the protruded part of the terminal portion of the coil. The protruded part of the terminal portion of the coil and the protruded part of the tabular terminal are respectively bent toward the bottom surface side of the core along the side surface of the core, and the protruded and bent part of the terminal portion of the coil is arranged between the protruded and bent part of the tabular terminal and the core.

Abstract: A coil device includes a magnetic core and terminal electrodes. The terminal electrodes include attachment pieces, wire connection rising pieces, connection pieces, and fillet forming pieces. The wire connection rising pieces are integrally risen from one ends in a longitudinal direction of the attachment pieces along a side surface in the X-axis direction of a flange. The connection pieces are integrally formed with upper end sides of the wire connection rising pieces and have welded balls connected to lead parts of a wire by laser welding. The fillet forming pieces are integrally risen from one ends in a lateral direction crossing the longitudinal direction of the attachment pieces along a side surface in the Y-axis direction of the flange. Laser shielding members are arranged between the welded balls and the flange of a magnetic core.

Abstract: A mobile robot that includes a robot body having a forward drive direction, a drive system supporting the robot body above a cleaning surface for maneuvering the robot across the cleaning surface, and a robot controller in communication with the drive system. The robot also includes a bumper movably supported by a forward portion of the robot body and a obstacle sensor system disposed on the bumper. The obstacle sensor system includes at least one contact sensor disposed on the bumper, at least one proximity sensor disposed on the bumper and a auxiliary circuit board disposed on the bumper and in communication with the at least one contact sensor, the at least one proximity sensor, and the robot controller.

Abstract: A coil component includes a first core, a second core, a lead wire, an outside mark, and an inside mark. The first core includes a winding portion and a pair of core ends. The second core connects a pair of the core ends and includes an inside surface and an outside surface. The lead wire is wound around the winding portion. The outside mark is formed on the outside surface of the second core and designed to change its arrangement at the time of rotating the second core by 90 degrees in a rotational direction whose central axis is along a normal direction of the outside surface. The inside mark with undulation is formed on the inside surface of the second core and designed to change its arrangement at the time of rotating the second core by 90 degrees in the rotational direction.

Abstract: A voltage converter comprises a second controller as a power switch of the secondary side of the transformer for comparing a detection voltage representing an output voltage and/or load current with a first reference voltage and generating a control signal, and a coupling element for transmitting the control signal generated by the second controller to the first controller on the primary side of the transformer enabling the first controller to generate a first pulse signal driving the power switch to control the on/off state of the primary side winding.

Abstract: A coil component has a core having a winding core portion and first and second flange portions, a plurality of wires wound around the winding core portion, and a plurality of electrode portions disposed on the first and second flange portions. The first wire and the third wire cross each other on the first flange portion. The first flange portion has a groove at a position of crossing of the first wire and the third wire. The first wire on the lower side passes through the groove so that the first wire and the third wire are separated from each other.

Abstract: A coil electronic component includes a magnetic body in which a coil having leads exposed to side surfaces of the coil is disposed. External terminals are connected to the leads and disposed on outer surfaces of the magnetic body. Additionally, the external terminals are folded to have side surface portions which are disposed on end surfaces of the magnetic body, and bottom surface portions which are disposed on a bottom surface of the magnetic body.

Abstract: A manufacturing method of a magnetic element including the steps of: sandwiching and holding at least one of a terminal unit and a coil terminal-end of a coil between a tubular-shaped upper-side die and a tubular-shaped lower-side die; filling a magnetic material in the tubular-shaped portion; and pressure-molding a core, whose side surface follows the inner walls of the upper-side die and the lower-side die by using an upper-side punch and also by using a lower-side punch, wherein at least a portion of the inner wall of the upper-side die and at least a portion of the inner wall of the lower-side die have respective different distances with respect to the center of the tubular-shaped portion, and in the step of pressure-molding, there is formed a core concave-portion having a step on the outside surface of the core, by transcription, and at least one of the terminal unit and the coil terminal-end is at the boundary.

Abstract: Disclosed herein is a coil component that includes a drum-shaped core having a first flange part provided at one end of a winding core part, first to fourth terminal electrodes formed on the first flange part so as to be arranged in this order in a second direction, and first to fourth wires wound around the winding core part. One ends of the first to fourth wires are connected to different ones of the first to fourth terminal electrodes. The first and second terminal electrodes are not symmetrical with the third and fourth terminal electrodes so that the third and fourth terminal electrodes are offset outward compared with the first and second terminal electrodes.

Abstract: A transformer includes a core having first and second yokes and at least one leg extending between the first and second yokes. The at least one leg includes a coil assembly mounted thereto between the first and second yokes. An annular end barrier is provided at one or both ends of the coil assembly to provide a barrier between the adjacent yoke and a high voltage winding of the coil assembly.

Abstract: A reactor includes a core, a resin cover provided around the core, and a coil disposed around the core at the external side of the resin cover. The coil includes a conductive wire having a self-fusing layer formed on the surface of the conductive wire, and the adjoining conductive wire portions are bonded together by the self-fusing layer. The resin cover includes a bonding portion provided at a part of the resin cover and facing the end portion of the coil, and the end portion of the coil are bonded with the resin cover by an adhesive at the bonding portion.

Abstract: Disclosed is an electrical transformer for improved transformer power capacity and efficiency designed by the application of disclosed design considerations. One embodiment design consideration is a method to configure power transformer windings wherein the minimum distance of the primary windings from the winding axis/core center is greater (the primary windings are more distal) from the winding axis than the minimum distance of the secondary windings, which are wound around the minimum interior core diameter. This design consideration is extended from single bobbin transformer designs to split bobbin designs, with the requisite distal increase of the primary windings (from the core axis) geometrically provided by an enlarged core bobbin center leg (axial) dimension beneath the primary winding window.

Abstract: A bobbin provides secure attachment of a magnetic component to a printed circuit board. The circuit board includes a set of slotted apertures and a set of tubular apertures. The bobbin includes at least two pin rails and a plurality of standoffs proximate each pin rail. L-shaped pins are attached to one of the pin rails. Straight pins are attached to the other pin rail. The component further includes a core, and at least one winding. The L-shaped pins are shaped to pass through and slide within the set of slotted apertures. The L-shaped pins engage the bottom surface of the circuit board when the straight pins are inserted through the set of tubular apertures (i.e., in a secured position). In the secured position, the magnetic component is held in place against the top surface of the circuit board and provides a soldering area for mounting on the bottom surface.

Abstract: A magnetic device includes a housing, a bobbin, a coil, and a magnetic core. The housing has a side plate and a bottom plate. The side plate stands on the bottom plate and forms a space with the bottom plate. The bobbin is at least partially located in the space. The bobbin has a cylinder. The coil is wound around the cylinder. The coil has a portion facing the bottom plate. The magnetic core includes a center column, a side column, and a connecting portion. The center column is located in the cylinder. The side column is located outside the coil and away from the bottom plate, such that the coil is located between the side column and the bottom plate. The connecting portion connects the center column and the side column.

Abstract: A core for a wire-wound electronic component. The core has a winding base to be wound with a wire, and flanges located at both ends of the winding base in an extending direction of the winding base. The flanges protrude from the winding base in a first direction perpendicular to the extending direction. Each of the flanges has a plurality of protrusions on a first surface at a side of the flange in the first direction. An inclined surface is provided to extend from the first surface of each of the flanges to a second surface of the winding base at a side of the winding base in the first direction.