454results about "Capacitor terminals" patented technology

An apparatus is disclosed which includes an electrolytic capacitive element with multiple capacitor sections.

An apparatus is disclosed which includes an electrolytic capacitive element with multiple capacitor sections.

An electrolytic capacitor includes a winding portion, an anode lead member, and a cathode lead member. The winding portion includes an anode foil and a cathode foil that are wound. The anode lead member is connected to the anode foil and extends in a first direction. The cathode lead member is connected to the cathode foil and extends in the first direction. The winding portion has a shape viewed in the first direction, the shape including a first peripheral region and a second peripheral region that are opposed to each other in a second direction intersecting the first direction, and a third peripheral region and a fourth peripheral region that are opposed to each other in a third direction intersecting the first direction and the second direction. The length of the winding portion in the third direction is larger than the length of the winding portion in the second direction. The anode lead member and the cathode lead member are arranged point-symmetrically with respect to a center of the winding portion when viewed in the first direction.

A capacitor that is capable of exhibiting good electrical properties under a wide variety of different conditions is provided. The capacitor contains a capacitor element that includes a sintered porous anode body, a dielectric that overlies the anode body, and a solid electrolyte that overlies the dielectric and includes a conductive polymer. The capacitor also contains multiple exposed anode lead portions that are electrically connected to respective anode terminations and a planar cathode termination that is electrically connected to the solid electrolyte.

A wound capacitor package structure includes a wound assembly, a conductive assembly, a package assembly, a bottom seat plate and a pin protection assembly. The conductive assembly includes a first and a second conductive pin. The package assembly is configured for enclosing the wound assembly. The bottom seat plate is disposed on a bottom side of the package assembly. The pin protection assembly includes a first pin protection layer configured to partially cover the first conductive pin, and a second pin protection layer configured to partially cover the second conductive pin. The first conductive pin includes a first exposed portion exposed outside the package assembly, and the second conductive pin includes a second exposed portion exposed outside the package assembly. The first and the second pin protection layer are disposed on the first and the second exposed portion for protecting the first and the second conductive pin, respectively.

The invention discloses an aluminum electrolytic capacitor special for an electric tool and a preparation method of the aluminum electrolytic capacitor. The method comprises the following steps that a positive electrode guide pin and a negative electrode guide pin are riveted to an anode foil and a cathode foil respectively; placing electrolytic paper between the anode foil and the cathode foil, and winding to form a core package; carrying out baking drying and electrolyte impregnation treatment on the wound core package, and then carrying out packaging and aging; the electrolyte consists of the following components in percentage by mass: 45-60% of a solvent, 25-40% of a solute, 5-15% of an additive and 5-10% of a stabilizer, the solute contains 2-butyl suberic acid; the stabilizer contains alkyl phosphate. According to the preparation method of the aluminum electrolytic capacitor special for the electric tool, the electrolyte formula is optimized, oxidation hydrolysis of the electrode foil and the oxidation film is effectively inhibited, the ion migration resistance is reduced, the polarization phenomenon is reduced, the loss value and the equivalent series resistance (ESR) of the obtained capacitor are remarkably reduced, the ripple resistance is improved, and the aluminum electrolytic capacitor is suitable for the electric tool.

A tantalum capacitor includes a tantalum body including a tantalum element including tantalum powder, a conductive polymer layer disposed on the tantalum element, and a tantalum wire penetrating through at least a portion of each of the tantalum element and the conductive polymer layer in a first direction, a molded portion including a fifth surface and a sixth surface facing in the first direction, a third surface and a fourth surface facing in a second direction, and a first surface and a second surface facing in a third direction and surrounding the tantalum body, a first coating layer disposed in at least a portion of an interface between the tantalum body and the molded portion, and a second coating layer disposed on the first coating layer, wherein the second coating layer is thicker than the first coating layer.

A broadband filter plate type tantalum capacitor comprises a lead frame, a tantalum core and a ceramic capacitor, a positive electrode and a negative electrode of the tantalum core are connected with a positive electrode frame and a negative electrode frame of the lead frame respectively, the positive electrode frame and the negative electrode frame are connected through the ceramic capacitor, and the tantalum core and the ceramic capacitor are of a parallel structure. According to the utility model, through the design of the lead frame and the parallel combination mode of the ceramic capacitor and the tantalum capacitor, the volume efficiency maximization of the tantalum capacitor and the volume maximization of the tantalum core are realized, the reliability and the stability of the tantalum capacitor are improved, the use is simple, and the effect is obvious.

A capacitor header for coupling a voltage output from a capacitor, which allows the capacitor to store a large amount of charge and then discharge this as a high voltage, while reducing the risk of dielectric breakdown. The capacitor header includes a live output plate connected to a central live conductor of the capacitor and a ground output plate connected to a ground conductor of the capacitor. The capacitor header also includes first and second insulating members, which both have non-planar mating surfaces that interleave to form a non-linear path. An insulating seal is included between the non-planar mating surfaces. The capacitor header also includes two sets of insulating sheets. The sets of insulating sheets extend beyond an outer perimeter of the live output plate and the ground output plate.

The present invention relates to the technical field of manufacturing solid aluminum electrolytic capacitors, and specifically discloses a moisture-resistant laminated solid aluminum electrolytic capacitor and a manufacturing method, including a shell and a cover, wherein the inner side of the shell is provided with positive contacts and negative contacts that are staggered and distributed at equal intervals, the inner side of the shell is provided with two symmetrically distributed arc strips, the bottom of the arc strip is fixedly connected with two symmetrically distributed conductive strips, the inner side of the conductive strip is fixedly connected with U-shaped card slots that are distributed at equal intervals in a straight line, and the outer side of the positive contact and the outer side of the negative contact are respectively provided with positive conductive sheets and negative conductive sheets. The present invention arranges two conductive sheets on the outer side of the positive contact and the negative contact, and if one group of conductive sheets and the U-shaped card slot appear, the other group of conductive sheets and the U-shaped card slot can still be used normally, so that the entire capacitor can continue to be used, thereby improving the service life of the laminated solid aluminum electrolytic capacitor.

The invention provides an external assembled pin of an electrolytic capacitor, and relates to the technical field of electrical elements. A first groove and two sets of second grooves are formed in the base, first bases and second bases are installed in the two sets of second grooves and connected through bolts, rotating cylinders are installed between the first bases and the second bases through bearings, and bevel gears are fixed to the lower ends of the rotating cylinders. A processing ring is clamped among the three groups of clamping blocks, when a pin of a capacitor body is inserted into the processing ring, a first adjusting rod is rotated to enable the processing ring to rotate, the pin of the capacitor body is polished through the processing ring, an oxide layer on the pin of the capacitor body can be polished off, and the capacitor body is in good contact with a needle cylinder; after the pin of the capacitor body is inserted into the needle cylinder, the locking rod is inserted into the top cylinder, the first control rod is pulled upwards to enable the upper end of the top cylinder to clamp the locking rod, and the pin of the capacitor body is prevented from being separated from the needle cylinder.

A tantalum capacitor includes a tantalum body including a tantalum element including tantalum powder, and a tantalum wire passing through at least a portion of the tantalum element in a first direction, a molded portion having fifth and sixth surfaces opposing each other in the first direction, third and fourth surfaces opposing each other in a second direction, first and second surfaces opposing each other in a third direction, the molded portion formed to surround the tantalum body, an anode lead frame connected to the tantalum wire, a cathode lead frame spaced apart from the anode lead frame, the cathode lead frame connected to the tantalum body, and a frame terminal disposed on the anode lead frame and the cathode lead frame to be spaced apart from the second surface of the molded portion.

The present application discloses an aluminum electrolytic capacitor with a heat dissipation structure, and relates to the technical field of capacitors. The present application includes: a mounting plate, on which an inner core is mounted, and pins are mounted on the inner core; a mounting shell, which is mounted on the mounting plate, and the mounting shell is used to accommodate the inner core. The present application mounts the inner core on the mounting plate, and mounts the mounting shell on the mounting plate, and a top hole, an upper air duct and a lower air duct are provided on the mounting shell, so that the inside of the mounting shell is connected with the outside, so that the mounting shell can directly transfer heat while indirectly transferring heat, and according to the influence of air density, the inner outlet position of the upper air duct inside the mounting shell is lower than the outer outlet, which is convenient for the discharge of hot air, and the upper outlet of the lower air duct is opened in the mounting shell, and the lower outlet is opened outside the mounting shell, which is convenient for the cold air outside to enter the mounting shell, and further facilitates the air exchange inside and outside the mounting shell, thereby increasing the heat dissipation effect of the device.

A capacitor assembly package structure, capacitor structure and method of manufacturing the same, and electronic device. The capacitor assembly package structure includes a capacitor assembly, an insulating package body and an electrode assembly. The capacitor assembly includes a plurality of capacitor structures that are stacked in sequence and electrically connected to each other. The insulating package body is configured to encapsulate a plurality of the capacitor structures. The electrode assembly includes a first electrode structure and a second electrode structure. Each of the capacitor structures includes a sintered silver layer, and the sintered silver layer includes more than 95% pure silver material. The average thickness of the sintered silver layer can be less than or equal to 1 μm, and the resistivity of the sintered silver layer can be less than the resistivity of a silver glue material formed by mixing epoxy resin and silver powder.

An electrolytic capacitor includes a capacitor element that includes an anode part and a cathode part, an exterior body that seals the capacitor element, a first external electrode that is electrically connected to the anode part, and a second external electrode that is electrically connected to the cathode part. At least one of an end face of the anode part or an end face of the cathode part is exposed from the exterior body to be electrically connected to a corresponding one of the first external electrode or the second external electrode. The end face exposed from the exterior body is covered with an electroless Ni plating layer, and the electroless Ni plating layer is covered with an electroless Ag plating layer. The electroless Ag plating layer is covered with the corresponding one of the first external electrode or the second external electrode.

In order to solve the problems of insufficient bonding force and high resistivity of the existing conductive silver paste, the invention provides the conductive silver paste, which comprises silver powder, a first solvent and acrylic acid modified epoxy resin, and the mass content of free acryloyloxy in the acrylic acid modified epoxy resin is 1-10%. Meanwhile, the invention also discloses a preparation method of the conductive silver paste and a chip polymer laminated aluminum capacitor comprising the conductive silver paste. The conductive silver paste provided by the invention has relatively low resistivity, relatively high bonding strength and high temperature resistance.

The invention relates to the technical field of power electronic components, and discloses a fast charge-discharge aluminum electrolytic capacitor and a preparation method thereof. The fast charge and discharge aluminum electrolytic capacitor comprises a high-purity aluminum foil subjected to aluminum chloride-hydrochloric acid etching and oxalic acid-tartaric acid oxidation treatment, a porous electrolyte layer with the thickness of 0.015-0.020 mm, a composite organic-inorganic electrolyte and an aluminum shell packaging structure, the preparation method comprises the steps of aluminum foil processing, electrolyte cutting, winding and assembling, vacuum infusion under-0.09 to-0.095 MPa, staged aging charging under the condition of 70-90 DEG C, and finally packaging and forming. According to the method, a compact oxidation film is formed through anodic oxidation, the proportion of gamma-butyrolactone in the electrolyte is optimized, the staged voltage aging and vacuum infusion process is implemented, and the fast charging performance, high-temperature stability and overall reliability of the aluminum electrolytic capacitor are synergistically improved from the material level and the process level.

An electrolytic capacitor includes a capacitor element having bottom surface and upper surface and including an anode lead, a cathode lead terminal, and outer packaging resin. The cathode lead terminal includes a cathode terminal having an exposed surface exposed from bottom surface, and two cathode anchor portions each extending from the cathode terminal to be embedded in the outer packaging resin. The cathode terminal has two end sides each being along a longitudinal direction of the anode lead. Each of the two cathode anchor portions includes a cathode upright portion rising from corresponding one of two end sides of the cathode terminal toward upper surface, a first extension portion extending from the cathode upright portion, and a second extension portion extending from the first extension portion.

An electrolytic capacitor includes a capacitor element including an anode part and a cathode part, an exterior body sealing the capacitor element, a first external electrode electrically connected to the anode part and exposed from the exterior body, a second external electrode electrically connected to the cathode part and exposed from the exterior body, and a first base electrode connecting the anode part and the first external electrode. The first base electrode contains a first sintered metal, and the first sintered metal is in contact with an end surface of the anode part not covered with the exterior body and is in contact with the first external electrode. A relation 0.5≤W1 / Tpc≤100 is satisfied, where Wp represents a width of the end surface of the anode part, and Tpc represents a thickness of the first sintered metal at a center of the width Wp.

The invention discloses a high-voltage lead type aluminum electrolytic capacitor, and relates to the technical field of aluminum electrolytic capacitors. The aluminum electrolytic capacitor comprises a cathode aluminum foil, an anode aluminum foil, electrolyte and electrolytic paper, the cathode aluminum foil is obtained through formation at the formation voltage of 3-20 VF; the anode aluminum foil is obtained through formation at the formation voltage of 590-660 VF; the thickness of the electrolytic paper is 30-40 [mu] m, and the density of the electrolytic paper is 0.70-0.80 g / cm < 3 >; the temperature resistance of the electrolyte is above 130 DEG C; and the voltage of the high-voltage lead type aluminum electrolytic capacitor is 400-450 V. According to the high-voltage lead-type aluminum electrolytic capacitor provided by the invention, by optimizing the materials of the cathode aluminum foil, the anode aluminum foil, the electrolyte and the electrolytic paper, the temperature resistance of the lead-type aluminum electrolytic capacitor with the high voltage of 400-450V can be improved to 130 DEG C from the traditional 105 DEG C, so that the problem of early failure caused by the fact that the temperature suddenly exceeds 105 DEG C can be reduced, and the service life of the high-voltage lead-type aluminum electrolytic capacitor is prolonged. The product performance and the high-temperature resistance are improved.

In order to solve the problem that the existing conductive silver paste is difficult to meet the requirements of low impedance and low volume, the invention provides the conductive silver paste which comprises silver powder, a first solvent and acrylic acid modified fluorine-containing epoxy resin, and the acrylic acid modified fluorine-containing epoxy resin contains an epoxy group, an acryloyloxypropyl group and a fluoroalkyl structure. Meanwhile, the invention further discloses a preparation method of the conductive silver paste and a chip type polymer laminated aluminum capacitor adopting the conductive silver paste. The conductive silver paste provided by the invention has relatively low impedance, and when the conductive silver paste is applied to the chip-type polymer laminated aluminum capacitor, the connection tightness between different capacitor single chips can be improved, the volume and equivalent series resistance of the capacitor can be reduced, and the electrochemical performance of the chip-type polymer laminated aluminum capacitor can be improved.

A capacitor element that includes: a capacitor unit including an anode plate including a core portion and a porous portion on at least one main surface of the core portion, a dielectric layer on a surface of the porous portion, and a cathode layer that includes a solid electrolyte layer on a surface of the dielectric layer, and the solid electrolyte layer contains a conductive polymer; and a sealing layer covering the capacitor unit, wherein the sealing layer contains a first insulating resin and first flattened inorganic fillers, and the first flattened inorganic fillers are oriented in a surface direction orthogonal to a thickness direction in a portion of the sealing layer that covers the capacitor unit.

The invention discloses a chip conducting polymer tantalum capacitor with stable leakage current and a preparation method thereof, and belongs to the field of capacitors. The method comprises the following steps: coating the surface of the dielectric layer with the pretreatment layer to enhance the adhesive force between the dielectric layer and the water-retaining conductive polymer cathode layer; the pretreatment layer is sequentially coated with a water-retaining inner layer containing a water-retaining additive, a transition layer and an outer layer to form a water-retaining conductive polymer cathode layer, and the adhesive force between sub-layers of the outer layer is improved through a cross-linking agent; the end face of the tantalum anode core leading out the tantalum wire is coated with an insulating protection layer; a graphite layer and a silver paste layer are coated, and two electrodes are led out through a lead frame; and adding a barrier layer on the surface of the tantalum capacitor core group and molding and packaging a shell to prepare the tantalum capacitor. Water vapor in the polymer tantalum capacitor prepared by the method is stabilized at a certain level and is slightly influenced along with temperature change, and the direct current leakage current level of the capacitor is improved.

The invention discloses an aluminum capacitor and a lamination method thereof, and the method comprises the following steps: preparing single-layer capacitor monomers on a raw material piece, removing bad single-layer capacitor monomers, cutting off good single-layer capacitor monomers from the raw material piece, transferring the good single-layer capacitor monomers to a lamination jig, carrying out the negative electrode bonding, and carrying out the lamination. The method comprises the following steps: welding a positive electrode between single-layer capacitor monomers and an auxiliary frame, solidifying a negative electrode of the single-layer capacitor monomers to obtain a laminated body, dipping the negative electrode of the laminated body, assembling the laminated body to a frame lead, welding a positive electrode area of the laminated body with the frame lead, and connecting the negative electrode of the laminated body with the frame lead. And cutting off the redundant part of the auxiliary frame to complete lamination preparation. The laminated auxiliary frame has the function of a positive electrode gasket, and the height difference between the positive electrode and the negative electrode of the single-chip capacitor unit can be effectively reduced. The laminated auxiliary frame can be integrally impregnated with conductive slurry after being laminated, so that the connection between the cathode units of the capacitor is enhanced, and the equivalent series resistance is reduced.

An electrolytic capacitor including-includes an anode body that is porous, an anode wire including a buried part buried in the anode body and a protrusion part protruding to an outside of the anode body, a dielectric layer disposed on a surface of the anode body, a cathode part covering at least a part of the dielectric layer, an anode terminal electrically connected to the anode wire, and a cathode terminal electrically connected to the cathode part. A corner defined by three sides of the anode body is chamfered by an intersecting surface intersecting each of the three sides, the three sides intersecting each other. The protrusion part is protruded from the intersecting surface and is connected to the anode terminal.

An electrical energy storage device (2, 2A-2C) for an implantable medical stimulation device (1) comprises a housing (20), a first electrical electrode and a second electrical electrode having different electrical polarities, one of the first electrical electrode and the second electrical electrode being formed by an electrode element (21) having an electrically conductive electrode body (210) arranged in the housing (20), and a current collector arrangement (22) electrically connected to the electrode element (20). The current collector arrangement (22) comprises a first current collector element (220) forming a first current collection section (222) having a first free end (227) and a second current collector element (221) forming a second current collection section (223) having a second free end (228), wherein the first current collection section (222) and the second current collection section (223) each extend in the electrode body (210) or along a surface of the electrode body (210) such that the first free end (227) of the first current collector element (220) and the second free end (228) of the second current collector element (221) are arranged at a distance with respect to one another in or on the electrode body (210).

The present application provides an inductance element and a method for manufacturing the inductance element. The inductance element mainly includes a magnet, terminals, and an inductance coil. Among them, a magnet core is provided in the magnet, and the inductance coil is wound around the magnet core. Two terminals are provided, and the two terminals are provided on both sides of the magnet facing each other. Two welding joint lead wires extend out of the magnet from the inductance coil, and the two welding joint lead wires correspond one-to-one to the two terminals, and the welding joint lead wires are welded to the terminals.

A power supply device converts power supplied from a power source to power to be supplied to a load and supplies the converted power to the load from an output terminal. The power supply device includes a capacitor that includes a case, a first terminal exposed outside the case, and a second terminal exposed outside the case. The first terminal is fixed to a busbar. The busbar electrically connects the first terminal to the output terminal of the power supply device. The second terminal is fixed to an electrically conductive support that receives a reference potential.

By improving the conductivity efficiency, the temperature rise at the crimped portion is suppressed, providing an electrolytic capacitor with excellent reliability, and a method for manufacturing an electrolytic capacitor. [Solution] The electrolytic capacitor according to the present invention comprises an anode foil, a cathode foil, a separator, and lead terminals connected to the anode foil and the cathode foil, respectively. The lead terminal consists of a terminal portion, a lead wire, and a connection portion. The terminal portion has at least two crimped connection portions, which are perforated in a state where it is superimposed on the anode foil or the cathode foil, bent toward the anode foil or the cathode foil, and press-connected. The diameter of the press-connected crimped bent portion of the first crimped connection portion on the lead wire side of the terminal portion is larger than the diameter of the bent portion of the second crimped connection portion. The ratio of the diameter of the bent portion of the first crimped connection portion to the crimping distance between the first crimped connection portion and the second crimped connection portion is 1:0.9 to 1:1.3.

The invention provides an electrolytic capacitor, a circuit board, a remote controller, an air conditioning system and a circuit board preparation technology, the electrolytic capacitor is used for being installed on the circuit board, and the circuit board is provided with an installation groove; the electrolytic capacitor comprises an extension pin, and the extension pin is mounted in the mounting groove; wherein the electrolytic capacitor is used for being identified and sucked by the chip mounter and is inversely erected on the circuit board. The electrolytic capacitor is inversely erected on the circuit board through the extension pins, the body height of the electrolytic capacitor on the front face of the circuit board is reduced, the electrolytic capacitor can be suitable for more application scenes, and the electrolytic capacitor can be identified and sucked by a chip mounter and is erected on the circuit board in a chip mounting mode, so that the chip mounting efficiency is improved. Compared with the prior art, full automation and manufacturability are improved, labor and maintenance cost is reduced, wave soldering procedures caused by plug-in electrolytic capacitors are reduced, resources can be saved, preparation procedures and process complexity are reduced, quality problems caused by welding are avoided, and the quality of the circuit board is improved.