A capacitor includes a capacitor element, a bus bar connected to an electrode of the capacitor element, a case housing the capacitor element, and a filling resin filled in the case. The bus bar includes a first section and a second section. The first section is exposed from the filling resin and includes a connection terminal configured to be connected to an external terminal. The second section has a buried section buried in the filling resin and an exposed section exposed from the filling resin, and includes a connection part connected to the electrode. The exposed section is located away from the first section.

A joint joins an alloy member to a ceramic member via a glass joining agent, which is joined to the alloy member by a material bonded joint and to the ceramic member by a further material bonded joint. The glass joining agent is made of a glass having a melting point below 800° C.; a coefficient of thermal expansion of at least 9-10.sup.−6 K.sup.−1 and a bismuth content of at least 10%. The alloy member has a coefficient of thermal expansion of at least 9-10.sup.−6 K.sup.−1. The ceramic member has a maximum coefficient of thermal expansion of 8-10.sup.−6 K.sup.−1. The material bonded joint defines a mixing region that is a partial region of the ceramic member, and the bismuth content in the mixing region is higher than that of the ceramic member outside the mixing region.

A capacitor includes a capacitor element, a bus bar connected to an electrode of the capacitor element, a case housing the capacitor element, and a filling resin filled in the case. The bus bar includes a first section and a second section. The first section is exposed from the filling resin and includes a connection terminal configured to be connected to an external terminal. The second section has a buried section buried in the filling resin and an exposed section exposed from the filling resin, and includes a connection part connected to the electrode. The exposed section is located away from the first section.

A capacitive block includes at least one capacitive element, a first electrical conductor that includes at least one electrically conductive plate abutting a first end of the at least one capacitive element so as to be electrically connected to the at least one capacitive element, and a first frame made of electrically insulating material coming into register with a peripheral edge of the at least one electrically conductive plate so as to electrically insulate the at least one electrically conductive plate from an environment of the capacitive block.

A hard start capacitor replacement unit has a plurality of capacitors in a container sized to fit in existing hard start capacitor space. The capacitors are 4 metallized film capacitors wound in a single cylindrical capacitive element. The container has a common terminal and capacitors value terminals for the plurality of capacitors, which may be connected singly or in combination to provide a selected capacitance. An electronic or other relay connects the selected capacitance in parallel with a motor run capacitor. The hard start capacitor replacement unit is thereby adapted to replace a wide variety of hard start capacitors.

A capacitor assembly includes a capacitor having ends. A terminal covers less than an area of one end. A wire bond has opposing ends with one end being coupled to the terminal and is configured to break connection with a circuit when an electrical current through the wire bond reaches a fusing current. An energy storage module includes at least two capacitor assemblies. The wire bond of one capacitor is electrically connected to the second terminal of an adjacent capacitor. An energy storage assembly includes two energy storage modules stacked one on top of the other. A pulse forming network includes conductors and at least two energy storage modules. A method of making a module includes charging each of the capacitors, removing each capacitor that fails, connecting one end of a wire bond to one terminal and connecting the other end to an adjacent capacitor or to a conductor.

A film capacitor that includes a capacitor element having a metallized film including a resin film and a metal layer on a surface of the resin film; an outer case that houses the capacitor element; and a filling resin that fills a space between the capacitor element and the outer case, wherein a surface free energy of an inner surface of the outer case in contact with the filling resin is 44 mN/m or less.

An adhesive film which is for a metal terminal and exhibits high adhesion strength to a metal terminal, when heated and pressurized a plurality of times before being adhered to the metal terminal. This adhesive film for a metal terminal is interposed between: a metal terminal electrically connected to an electrode of a power storage device element; and an exterior material for a power storage device that seals the power storage device element. The adhesive film for a metal terminal has a tensile elastic coefficient A of at least 490 MPa, when measured in an environment of a temperature of 25° C., after being left standing for 12 seconds in a heating and pressurizing environment of a temperature of 180° C. and a surface pressure of 0.0067 MPa, and after being left standing for 1 hour in an environment of a temperature of 25° C.

The invention relates to a capacitive block (100) comprising at least one capacitive element (105), a first electrical conductor (110) comprising at least one electrically conductive plate abutting a first end (105a) of the capacitive element (105) so as to be electrically connected to the capacitive element (105), and a first frame (101) made of electrically insulating material coming into register with a peripheral edge of said conductive plate so as to electrically insulate said plate from an environment of the capacitive block (100).

A capacitor includes a capacitor element, an electrode disposed on an end face of the capacitor element, a bus bar connected to the electrode, and a case housing the capacitor element. The bus bar is extended from an opening of the case to outside the case. Outside the case, the bus bar includes an extension part and a connection terminal. The extension part extends in a first direction along a side face of the case. The connection terminal is connected to the extension part. Further, the case includes a supporting part disposed on the side face of the case. The supporting part supports the bus bar to form a space between the side face and the extension part.