Abstract: A capacitor which includes an electrically insulating ceramic disk having a top and bottom surface and a center axis. A first disk shaped electrode is mounted to the top surface and a second disk shaped electrode is mounted to the bottom surface of the electrically insulating ceramic disk. A first lead is connected to the first electrode and a second lead is connected to the second electrode, with the first lead and the second lead each being formed of wide flat strips of copper foil. The leads provide low inductance and allow the capacitor to safely perform at high frequencies up to 1 gigahertz. A powder coated outer layer is provided which covers the ceramic disk, first electrode and second electrode as well as a connecting end of the first lead and said second lead. Various lead orientations are disclosed. Preferably, the leads have a width in the range of 50% to 80% of the diameter of the electrically insulating ceramic disk.

Abstract: An improved structure of a capacitor having a housing comprising two copper plates mounted at two lateral sides of the housing having a capacitor element in between, and a securing rubber filled within the remaining space of the housing, characterized in that a plurality of downwardly slanting elastic plates mounted at the corresponding plate of the two copper plates for the engagement with the capacitor element, the lower section of the copper plates is inwardly bent to connect with a 90 degree connection pins, the top of the connection pins are provided with solder for soldering onto a circuit board, the connection pins are punched to form a fine insertion pin for optionally mounting onto any circuit board, thereby the elastic plates clip the capacitor element to provide and/or to secure a stable soldering and contact.

Abstract: A ceramic electronic component includes electrodes each having a four layer structure including a first electrode layer made of an Ni—Ti alloy and constructed so as to adhere closely to the surface of a ceramic material defining a ceramic element, a second electrode layer made of at least one selected from the group consisting of Cu, Ag, and Au, disposed on the first electrode layer, a third electrode layer made of an Ni—Ti alloy, disposed on the second electrode layer, and a fourth electrode layer made of at least one selected from the group consisting of Cu, Ag, and Au, disposed on the third electrode layer. Lead terminals are bonded to the electrodes having the four layer structures via solder members, respectively.

Abstract: A structure of connection pins of a capacitor includes a housing, connection pins positioned at the lateral sides of the interior of the housing, and a capacitor element located between two pins, and the remaining space of the housing being filled with fixing glue, characterized in that one opening of the housing holds the capacitor element at a larger surface thereof and the two pins are located at the sides of the housing a plurality of elastic plates with a slanting angle are provided to the connection pins, and the lower section of the connection pins are bent to form a contact plate for contacting with a circuit board, the contact plate is a hook-like structure and is provided with solder at appropriate position, an insertion leg is provided on the contact plate for mounting with the circuit board, thereby the elastic plate clips the capacitor element to provide a good position and stable contact.

Abstract: A vacuum capacitor and its manufacturing method are disclosed.

Abstract: A metal terminal includes a central portion having a cross section with a relatively large internal diameter and an approximately circular shape and cylindrical portions having a relatively a smaller diameter are extended from both sides of the central portion. The approximately circular shape portion is inserted into a through hole of a through hole type capacitor and disposed in contact with and elastically pressing against the inner wall of the through hole.

Abstract: A capacitor constituted of a dielectric ceramic material is provided with through holes, with electrodes formed at the two surfaces at which the through holes open. One of the electrodes is secured onto a raised portion of a grounding metal. Conductors which pass through the capacitor and the grounding metal are electrically connected to an electrode opposite the electrode secured onto a raised portion of the grounding metal. Insulating resins fill the spaces around the capacitor. One end surface of an insulating cover is set facing opposite an inner surface of the raised portion of the grounding metal over a gap with an inner insulating resin filling the gap.

Abstract: An apparatus for car stereo includes a capacitor and two spaced apart conductors connected to the capacitor wherein each conductor includes wire holes and fastening holes perpendicular to and in communication with wire holes such that a fastener is inserted into fastening hole to fasten cable in the wire hole. With this, output current of battery can be distributed to respective loads through the conductors without the necessity of installing a distributor in electrical system of car stereo.

Abstract: A capacitive filter feedthrough assembly and method of making same are disclosed for shielding an implantable medical device such as pacemaker or defibrillator from electromagnetic interference or noise. A ferrule is adapted for mounting onto a conductive device housing by welding, soldering, brazing or gluing, and supports a terminal pin for feedthrough passage to a housing interior. A capacitive filter is mounted at the inboard side of a device housing, with capacitive filter electrode plate sets coupled respectively to the housing and the terminal pin by an electrically conductive combination of adhesive, brazing and soldering. In one embodiment of the invention, multiple capacitive filters are provided in an array within a common base structure, where each capacitive filter is associated with a respective terminal pin.

Abstract: A device for connecting an external electrical power cord to an engine block heater in an automotive vehicle. The device is permanently mounted in the vehicle grille and includes a flanged electrical inlet whose terminals are hard-wired to the heater, and a housing which is pivotable upwardly to allow the female plug of the power cord to be connected to the inlet prongs. The original grille escutcheon is attached to the pivotable housing.

Abstract: A tubular capacitor made of metallized film may be drilled through to its hollow center during its manufacture, and any resulting short circuits may be cleared by the application of electrical energy. Third and fourth leads may be attached to end caps on their inside surface, and the leads can be brought out through the through hole. The end caps may have a thickness that is large compared to the penetration depth at a frequency of interest. The capacitor may be used as a four terminal capacitor, for instance, in a switched mode power supply filter, and it will have superior rejection of high frequency AC noise. The two internally connected leads may also be used as a low inductance alternative connection for a two terminal capacitor.

Abstract: A capacitive filter feedthrough assembly and method of making the same are disclosed for shielding an implantable medical device such as pacemaker or defibrillator from electromagnetic interference or noise. A ferrule is adapted for mounting onto a conductive device housing by welding, soldering, brazing or gluing, and supports a terminal pin for feedthrough passage to a housing interior. A capacitive filter is mounted at the inboard side of a device housing, with capacitive filter electrode plate sets coupled respectively to the housing and the terminal pin by an electrically conductive combination of solder and brazing. In one embodiment of the invention, multiple capacitive filters are provided in an array within a common base structure, where each capacitive filter is associated with a respective terminal pin.

Abstract: A capacitive filter feedthrough assembly and method of making the same are disclosed for shielding an implantable medical device such as pacemaker or defibrillator from electromagnetic interference or noise. A ferrule is adapted for mounting onto a conductive device housing by welding, soldering, brazing or gluing, and supports a terminal pin for feedthrough passage to a housing interior. A capacitive filter is mounted at the inboard side of a device housing, with capacitive filter electrode plate sets coupled respectively to the housing and the terminal pin by electrically conductive adhesive or brazing, or a combination of adhesive and brazing. In one embodiment of the invention, multiple capacitive filters are provided in an array within a common base structure, where each capacitive filter is associated with a respective terminal pin.

Abstract: A process for making a solid electrolytic capacitor is provided which comprises the following steps. First, a capacitor element is prepared which includes a capacitor chip and an anode wire projecting from the capacitor chip. Then, the anode wire of the capacitor element is brought into contact with an anode lead. Finally, the anode wire is bonded to the anode lead at a connecting portion spaced from a tip of the anode wire.

Abstract: A feed-through filter capacitor assembly is provided to pass a conductor into a housing of an electronic device while maintaining a hermetic seal and filtering spurious radio frequency signals. The assembly is particularly suitable for use in medical implant devices such as pacemakers. The feed-through filter capacitor assembly comprises a conductive bushing forming a cup that receives a filter capacitor body. The cup is located to one side of a pass-through portion including a passageway in which an insulative spacer is mounted. A plurality of wires pass through the filter capacitor body and spacer. The wires are contacted with inner plates of the capacitor and insulated from the bushing. Conductive polymer resin within the cup provides electrical continuity between outer contacts of the capacitor body and the conductive bushing. This arrangement also provides an effective heat sink for the filter capacitor body and protects the filter capacitor body from physical damage.

Abstract: A solid electrolytic capacitor has a molded casing containing therein a capacitor element, a first lead member connected to its anode and a second lead member connected to its cathode through a fuse. The second lead member is designed such that a relatively large capacitor element can be contained inside the casing although it must also have a large enough hole to allow a portion of the casing to penetrate therethrough to fasten it to the casing.

Abstract: An encapsulated solid electrolytic capacitor has an anode lead terminal, a cathode lead terminal, a capacitor element and a mold which is made of a synthetic resin material and encapsulates the capacitor element entirely. The capacitor element has an anode bar protruding longitudinally from a main body and is disposed between the anode lead terminal and the cathode lead terminal with the main body being electrically connected to the cathode lead terminal. The tip of the anode bar is welded to the anode lead terminal. The anode lead terminal has integrally formed with it a raised part which is L-shaped as seen longitudinally and is capable of having the anode bar inserted under its middle part, preventing it from becoming bent when it is soldered.

Abstract: A method of fabricating a multilayer capacitor includes depositing a plurality of electrode layers on a substrate alternately with a plurality of amorphous hydrogenated carbon dielectric layers, forming at least two holes in the electrode and dielectric layers with each hole intersecting alternating ones of the electrode layers, and providing an electrically conductive material in each hole for coupling the alternating ones of the electrode layers. Forming the holes can include forming initial holes and then further exposing selected edge portions of the electrode layers by widening dielectric layer portions of the initial holes. Providing the electrically conductive material can include coating surfaces of the holes with an electrically conductive layer and pouring an electrically conductive filler material into the holes. If filler material is poured into the holes, a capacitor lead can be positioned adjacent the filler material and attached by hardening the filler material.

Abstract: A fixing part having a room in which a metal attachment leg is inserted to attach a capacitor unit is disposed on an outside face of a case. An electrode connected to a terminal of a capacitor element is disposed in the fixing part, and a lock part to be engaged with the inserted metal attachment leg is disposed, whereby when the metal attachment leg is inserted into the fixing part, the electrode of the fixing part is electrically contacted to the metal attachment leg by elasticity.

Abstract: The present invention is directed to a high voltage capacitor and a magnetron which can reduce the weeping noise resulting from the electrostriction phenomenon while maintaining the function as a filter.A capacitor constituted with a dielectric porcelain, is provided with through holes which pass through the dielectric porcelain and electrodes on the two surfaces where the through holes open. One of the electrodes is secured onto one surface of a grounding member. Through conductors are connected with electrical continuity to the electrodes by passing through the capacitor and the grounding member. Insulating resins are filled around the capacitor. The relative dielectric constant of the dielectric porcelain is within the range of 3000 to 6000.

Abstract: A high-voltage capacitor is not deteriorated by any of a laser medium gas, ultraviolet rays, and discharge plasma of a gas laser device. Inside a hermetic casing is stored a capacitor body having an electrode which is connected to an external terminal. The external terminal includes a passageway therein which makes the inside of the hermetic casing communicate with the outside of the hermetic casing. The external terminal is led to the outside of the hermetic casing from the capacitor electrode, and gas inside the hermetic casing is discharged through the passageway of the external terminal to achieve a reduced pressure. Thereafter, the inside of the hermetic casing is filled with an insulating protection material. With the hermetic casing being made of alumina and the electrode terminal plated with nickel, deterioration due to ultraviolet rays or discharge plasma generated by an electric discharge of the laser device is prevented, thereby not contaminating the ambient gas.

Abstract: A power capacitor including at least one capacitive winding, of self-healing type, located in a case made of plastic material and coated in a polymerizable resin cast directly into the case. The capacitor includes a breaking device sensitive to an overpressure. Passage of gases in the direction of the breaking device is achieved by deformation of the plastic material constituting the case. The plastic material of the case presents predetermined mechanical strength, impact strength and thermal resistance characteristics.

Abstract: A capacitor includes a planar electrode layer which is mounted between a pair of dielectric layers. The electrode layer generally is centered inwardly with respect to the dielectric layers leaving an outward margin of dielectric material. One of the dielectric layers has two spaced apart contact members, each having a different polarity from the other. The electrode layer is isolated from electrical contact with any conductor and is buried within the dielectric layers. The electrode layer, in combination with the dielectric layer on which the contact members are mounted and the contact members, allow development of a selected value of capacitance between the contact members. Providing trimmed contact members as well as controlling their size and spacing allow for convenient preselection of desired operative characteristics of the capacitor. The contact members could be positioned on a substrate to which a buried electrode is mounted.

Abstract: An improved electrical component, such as a capacitor, is fabricated from a porous plug formed from metal impregnated with a ceramic material. In the case of a capacitor, the ceramic material is a dielectric composition. A metal which does not oxidize at temperatures close to the ceramic sintering temperature can be used to fabricate the plug. A first lead is attached directly to the plug. The plug is infiltrated and coated with a layer of the ceramic material. The plug which is infiltrated and coated with ceramic material is fired to sinter the dielectric. A second lead is then attached to the layer of ceramic and if a dielectric ceramic composition was used, then a capacitor is formed.

Abstract: A reduced size three-terminal type capacitor for removing jamming signals from an electrical signal. The three-terminal type capacitor comprises a ceramic substrate with a first ground electrode layer formed on the ceramic substrate, and a first dielectric layer formed on the first ground electrode layer. On the first dielectric layer reaching at least from one end of the first dielectric layer to the other end is a signal electrode. A second dielectric layer is formed on the first dielectric layer to surround the signal electrode together with the first dielectric layer, and a second ground electrode layer is formed on the second dielectric layer together with the first ground electrode layer. The second ground electrode layer is electrically connected to the first ground electrode layer. The structure of this three-terminal capacitor is such that first and second conductive layers (i.e.

Abstract: Tantalum feedthrough conductor pins are provided with a thin, vacuum deposited metal coating to control oxidation growth during feedthrough fabrication. The coated feedthrough pins are incorporated into a feedthrough which includes a capacitive structure in electrical contact with the coated pin.

Abstract: Wells are formed in an external surface of a semiconductor device package body. Capacitors are disposed within the wells at least partially, and preferably fully within the body. Cleaning channels are formed underneath the capacitors, for removing residual flux and/or solder.

Abstract: An electrode terminal for an electrolytic capacitor capable of eliminating arrangement and welding of a lead wire to accomplish satisfactory quality control and improve productivity. The capacitor is adapted to be used for a capacitor including a capacitor element. The terminal includes a terminal body consisting of a flat section connected to the capacitor element of the capacitor and a cylindrical section serving as an electrode lead and a contact element made of a material exhibiting good solderability and securely mounted on an outer end of the cylindrical section in a leadless manner. The cylindrical section may be formed with a ring-like flange at a portion thereof contiguous to a sealing member of the capacitor. The contact element may be formed on a bottom thereof with an air vent hole.

Abstract: A foil-roll electronic part and a process of producing the same. The part produced in this process includes: a lead frame having a plurality of leads; at least a belt-shaped conductive foil connected at one end or thereabout to a given lead of the lead frame and connected at the other end or thereabout or the intermediate portion thereof to the other lead; and at least two insulating films interposed between the belt-shaped conductive foils; whereby the electric part is formed by rolling the belt-shaped conductive foils and the insulating films on the lead frame as being a spool. According to this invention, the foil-roll electronic part wherein lead intervals can be accurately positioned, the production thereof is suitable for the bulk production, the electronic part is excellent in electric characteristics and easily, actually mounted on a printed circuit board.

Abstract: Capacitor layers are wound around a tab arbor which remains in the completed winding. The tab arbor includes first and second conductive portions which are electrically insulated from each other. First and second conductive layers in the winding, forming the electrodes of the capacitor, are electrically connected to the respective conductive portions of the tab arbor. These conductive portions serve both as means for making low impedance electrical connections to the capacitor and as means for mounting the winding.

Abstract: The present invention relates to single and twisted pair transmission line wires wherein the effective electrical diameter of the primary conductor is increased. This is accomplished by wrapping conductive foil or conductive foil laminated to a substrate layer onto a primary conductor with a diameter less than 20 mils wherein the foil is in contact with the conductor and has an outer insulating cover.This may be done by either spiral wrapping or by longitudinal wrapping around the electrical conductor. This invention provides a desired characteristic impedance along the length of the wire(s) and allows easy removal for standard termination and increased cut-through resistance.

Abstract: A wound capacitor having high current carrying capacity in which a capacitor winding is wrapped around a core assembly having high thermal conductivity. The core assembly transfers thermal energy from the interior of the capacitor to the exterior. The ends of the core assembly extend outwardly beyond the terminals for radiating heat to the exterior of the capacitor thereby increasing the current carrying capacity of the capacitor. The core assembly includes separated metal portions secured to an electrically nonconductive portion. Cover seals may be positioned over the ends of the core assembly in contact with the terminals. The capacitor may be hermetically sealed. The metal portions and the electrically nonconductive portion may be hollow tubes forming a passageway through the entire length through the core assembly.

Abstract: The connecting strip for the manufacture of electric components intended to be used with flow soldering; this connecting strip acts during the entire manufacturing cycle as a support for the base elements of the components and as a joining plane for the molding of the coating resin, the notches punched out in the strip thus limiting the output electrodes of the components as well as the electric connections inside the coating.

Abstract: The invention provides a tubular filter having end caps which deform on insertion into a tubular ceramic capacitor to engage snugly within the capacitor and about a central lead to provide support for solder plugs melted into the ends of the filters.

Abstract: The invention provides a novel attachment for a discoid capacitor and the like to the inside of a tubular casing and to a central lead. An electrically insulating sealing element is positioned below the capacitor during assembly vertically into the casing. The element fits closely about the lead and is deformed into contact with the wall of the housing about the capacitor. The element thus forms a dam to contain solder and flux used to couple the capacitor to the lead and to the casing from above the capacitor so that the solder and flux cannot pass by the capacitor into undesirable locations below the capacitor.

Abstract: A plastic-film wound capacitor having a cast resin, cast-coated cup encapsulation and connecting wires which radially make contact with the wound capacitor body can be simply and economically manufactured in chip configuration. The connecting wires of the chip capacitor are bent through 180.degree. and connected, respectively, to a sheet metal section on the outside of the cup encapsulation.

Abstract: A tantalum lead wire for capacitors having improved grain growth characteristics is disclosed. The lead preferably comprises a Niobium core having a surface consisting of many discrete layers of Tantalum surrounding the Niobium.

Abstract: A composite part of a piezo-electric resonator and a condenser integrally joined together and a method of producing the composite part. A composite element is formed of a piezo-electric resonator and a condenser each provided with end electrodes at end portions thereof by fixedly integrating the piezo-electric resonator and the condenser under the condition that a gap serving as a vibration space is formed between the face of the piezo-electric resonator and the face of the condenser opposing the face of the piezo-electric resonator. This composite element is cut out of a pile of a laterally long piezo-electric resonator and a laterally long condenser by cutting it in the direction of width. This composite element is housed in a case and both end electrodes and a common electrode thereof are connected with lead terminals, the opening of the case being sealed.

Abstract: A method is disclosed for making a wound capacitor having decreased inherent inductance and a high self-resonant frequency. In making this capacitor, metallized film is wound around a non-conductive polycarbonate core and a conductor is inserted through the entire length of the core. The wound metallized film is flattened and terminals are formed at opposite ends of the flattened wound capacitor. The conductor is folded over and electrically connected to one terminal and a metal contact is electrically connected to the other terminal. The electromagnetic field created around the conductor is approximately equal and in the opposite direction to the electromagnetic field created around the wound metallized film. Therefore, the inductive reactance of the conductor and the inductive reactance of the wound film are approximately equal. These reactances approximately cancel resulting in increased self-resonant frequency.

Abstract: A feed-through capacitor is provided with a tube-shaped dielectric material having a flange portion, an inward projected portion, and a sheath portion. On the inner and the outer surfaces of the tube-shaped dielectric material, an inner and an outer electrode are formed. A central aperture is formed as surrounded by the inner surface of the dielectric material. In the central aperture, a central shaft is inserted. The tube-shaped dielectric material is thick at the flange portion and the inward projected portion. On the inward projected portion, a projection is rested for supporting the central shaft.

Abstract: A panel board has a first voltage layer sandwiched between two ground layers at a close spacing to produce a large distributed capacitance; the two ground layers are connected by plated-through conductive holes spaced regularly across the board; a second (exposed) voltage layer is connected by regularly spaced plated-through holes to the first voltage layer, increasing the current carrying capacity of, and reducing the resistance across, the board; the plated-through holes are arranged in rows and columns in a pattern permitting the mounting of decoupling capacitors, at any point on the board, in a position parallel to the rows or parallel to the columns; and a socket terminal can be electrically connected directly to the exposed voltage layer or to the exposed ground layer using a ring connector.

Abstract: A noise eliminator mounted from the exterior to a flat cable connecting an electric circuit to thereby bypass noise conducting through the flat cable.Feedthrough capacitors are provided at a substrate, feedthrough terminals to be inserted into the capacitors are held by an insulator, at the upper ends of the feedthrough terminals are provided sharp furcate insulation displacement connection portion, and a cover insulator jig for press-inserting the furcation of each insulation displacement connection portion into the flat cable is provided.The sharp furcation of each insulation displacement connection portion pierced into the flat cable nips each cable conductor to be electrically conductive and the cover insulator and insulator are fixed by a holding means to keep the cable conductor and insulation displacement connection portion in conductive condition, whereby noise conductive through the flat cable is bypassed by the feedthrough capacitors.

Abstract: A wound capacitor element for a power capacitor is built up of electrodes of metal foils and a solid dielectric comprising polymer films. Adjacent each end surface of the capacitor element, (a) one of the metal foils is arranged with its longitudinal edge inside the longitudinal edges of the polymer films and there exposed to the end surface between adjacent polymer films and with its longitudinal edge folded along a line extending at least substantially in the longitudinal direction of the metal foil, and (b) one of the metal foils is arranged with its longitudinal edge unfolded at least along the main portion of its length. Each of the metal foils is arranged in contact with separate current tap strips which, from the interior of the capacitor element, protrude outside one end surface of the capacitor element.

Abstract: A tubular ceramic capacitor in which a lead terminal for leading out an internal electrode is formed of a Dumet wire, the internal electrode and an external electrode are plated to be formed at the inner and outer surfaces of a tubular ceramic dielectric except for both end faces thereof respectively, the lead terminal of the Dumet wire having a diameter substantially equal to a diameter of an inner bore of the dielectric where the internal electrode is formed and being inserted into the bore substantially throughout the whole length thereof so as to be fixedly soldered, and a metallic cap terminal having an inner diameter substantially equal to an outer diameter of the dielectric and a lead wire projecting from the outer surface of the closed end of the cap terminal, is fitted onto the dielectric in relation of contacting with the external electrode, thereby reducing an amount of solder used for mounting the lead terminal, thus making it possible to prevent the internal electrode from peeling off.

Abstract: A film condenser formed of a solderable metal foil composed on one member 1 selected from the group consisting of copper, tin, and aluminum having a heat resistant plastic film 2 coated on one surface and a vapor-deposited metal film 3 on the surface of the heat resistant plastic film facing away from the metal foil. Two lead wires each having a part bent in the shape of a V or u with the open end facing laterally of the length of the wire and having a size to prevent solder in a molten state from flowing out of the bent part during soldering due to the surface tension of the molten solder are soldered to the other surface of the metal foil and to the surface of the metal film facing away from the plastic film.

Abstract: A ceramic capacitor having an extremely thin plate (as little as 10 .mu.m) with a pair of electrodes on both the surfaces of the plate, said thin plate is supported by the thick dielectric plate which is laminated with said thin plate. The thick plate has a through hole, in the vertical direction of the same, and said through hole is filled with a through hole conductor which connects electrically the external terminal on the outer surface of the thick plate and the inner electrode on the thin plate. The material of the thick plate is the same as that of the thin plate, and a pair of lead lines are soldered to the external terminal and the outer electrode on the thin plate.

Abstract: A ceramic capacitor arrangement includes a cylindrical ceramic body having a socket formed at each end thereof, and an electrode film deposited on each end of the ceramic body. A terminal pin is pressure-fitted into each socket and is temporarily held therein. A solder bead is deposited on each of the electrode film to secure the terminal pin rigidly in each socket.

Abstract: A power capacitor and method of making it employs the technique of stacking capacitor sections together in an enclosure of which each section includes rolled electrode foils and dielectric layers of which at least one of the electrodes has a rolled edge resulting in a greater thickness in that portion of the section. In order to permit thorough impregnation of the section, the winding tension is deliberately made loose and the initially resulting section is insufficiently tight to retain conductive tabs reliably in contact with the foil electrodes. The stacked sections have, however, between them in the body portion intermediate the rolled edges, one or more sheets of material that compress the body portion and insure reliable pressure contact thereat while not interfering with the impregnation of the fluid throughout the section.

Abstract: The disclosure concerns a tubular capacitor having a relatively thin tube of dielectric material with metal layers formed on the outer and inner surfaces for forming the capacitor plates. A connecting cap is pushed over the outer layer and is connected electrically with one wire leading out of the capacitor. Another connecting wire extends into the tube and includes a widened portion that is engaged with or extends toward the inner layer. The widened portion is opposed to the pressure on the tube by the connecting cap. Insulation is provided in the exterior of the capacitor between the end of the wire and the connecting cap.

Abstract: AC life and corona characteristics of a polypropylene-aluminum foil or a metallized film wound capacitor are improved by coating at least the ends of the capacitor with a partially cured urethane containing unreacted isocyanate groups.