A capacitor unit is integrally provided with: a capacitor main body; a pair of bus bars that are connected to a pair of corresponding electrodes of the capacitor main body; and a casing that internally contains the capacitor main body and the bus bars and is made of resin. The bus bars are each provided with an input terminal on a first end side to which a connection terminal of a high-voltage cable for DC power is connected, while being each provided with an output terminal on a second end side to which an inverter substrate is connected.

A capacitor provides a plurality of selectable capacitance values, by selective connection of six capacitor sections of a capacitive element each having a capacitance value. The capacitor sections are provided in a plurality of wound cylindrical capacitive elements. Two vertically stacked wound cylindrical capacitance elements may each provide three capacitor sections. There may be six separately wound cylindrical capacitive elements each providing a capacitor section. The capacitor sections have a common element terminal.

A rear bus bar includes a rear electrode connecting part connected to an upper end electrode of a capacitor element, and a rear overlapping part is led out upward from a rear electrode connecting part at a position overlapping with the upper end electrode. A front bus bar includes a front electrode connecting part connected to a lower end electrode of the capacitor element, a first relay part, and a second relay part extending along the upper end electrode, and a front overlapping part is led out upward from the second relay part. An insulation module includes a first insulating part interposed between the front overlapping part and the rear overlapping part, and a second insulating part interposed between the upper end electrode and the second relay part.

An electronic component and method for manufacture thereof is disclosed. A plurality of electrodes are positioned in stacked relation to form an electrode stack. The stack may include as few as two electrodes, but more may be used depending on the number of subcomponents desired. Spacing between adjacent electrodes is determined by removable spacers during fabrication. The resulting space between adjacent electrodes is substantially filled with gaseous matter, which may be an actual gaseous fill, air, or a reduced pressure gas formed through evacuation of the space. Further, adjacent electrodes are bonded together to maintain the spacing. A casing is formed to encapsulate the stack, with first and second conducting surfaces remaining exposed outside the casing. The first conducting surface is electrically coupled to a first of the electrodes, and the second conducting surface is electrically coupled to a second of the electrodes.

A variable capacitance component includes a variable capacitance layer made of a dielectric material, a pair of electrodes that face each other via the variable capacitance layer, a pair of insulating portions that support the variable capacitance layer therebetween, and a pair of lead portions is respectively connected to the pair of electrodes, and the pair of lead portions is respectively disposed inside the pair of insulating portions, and the pair of lead portions is on a same axis that is perpendicular or substantially perpendicular to the variable capacitance layer.

A capacitance element that includes a first lower electrode and a second lower electrode arranged adjacent to each other in a Y-axis direction on a substrate. A first dielectric layer is on the first lower electrode, and a second dielectric layer is on the second lower electrode. A first upper electrode and a second upper electrode are arranged adjacent to each other in an X-axis direction on the first dielectric layer, and a third upper electrode and a fourth upper electrode are arranged adjacent to each other in an X-axis direction on the second dielectric layer. Interlayer conductors are respectively in contact with the first through fourth upper electrodes. A first connection conductor connects the second interlayer conductor and the fourth interlayer conductor to each other.

A hermetically sealed filtered feedthrough assembly attachable to an AIMD includes an insulator hermetically sealing a ferrule opening of an electrically conductive ferrule with a gold braze. A co-fired and electrically conductive sintered paste is disposed within and hermetically seals at least one via hole extending in the insulator. At least one capacitor is disposed on the device side. An active electrical connection electrically connects a capacitor active metallization and the sintered paste. A ground electrical connection electrically connects the gold braze to a capacitor ground metallization, wherein at least a portion of the ground electrical connection physically contacts the gold braze. The dielectric of the capacitor may be less than 1000 k. The ferrule may include an integrally formed peninsula portion extending into the ferrule opening spatially aligned with a ground passageway and metallization of an internally grounded feedthrough capacitor. The sintered paste may be of substantially pure platinum.

A capacitor includes: a capacitor element; a pair of bus bars; a capacitor case; and a sealing member. The capacitor element includes a pair of electrode surfaces. Each of the pair of bus bars is connected to a corresponding one of the pair of electrode surfaces. The capacitor element and the pair of bus bars are arranged in the capacitor case. The sealing member is charged in the capacitor case. The sealing member seals the capacitor element. The capacitor case includes a rib extended from a part of the capacitor case to an inside of the capacitor case. One of the pair of bus bars serves as a fixing bus bar, the fixing bus bar includes a direct fixing portion to be directly fixed to the rib.

A case-mold-type capacitor includes a capacitor element, first and second bus bars connected to the first and second electrodes of the capacitor element, a case accommodating the capacitor element and the first and second bus bars, and a mold resin filling the case therein. The case has a cutaway portion provided therein. A sealing plate joined to the case so as to seal the cutaway portion. The first and second bus bars pass through the sealing plate and are fixed to the sealing plate. The case-mold-type capacitor improves dimensional accuracy between terminal portions of the first and second bus bars without increasing material cost, and has high reliability.

A bus bar terminal (20) includes an electrode connection portion (22) that connects electrode terminals (BP) of power storage elements (BC) to each other, and a wire connection portion (33) that is to be connected to an electrical wire (38), and guide portions (26, 28) are provided between the electrode connection portion (22) and the wire connection portion (33), the guide portions guiding adhered liquid (D) so as to fall to a position separated from the wire connection portion (33).