An electrolytic capacitor includes a capacitor element, an anode lead terminal, a cathode lead terminal, and an exterior body. The anode lead terminal includes an anode terminal part and a first upright part. The first upright part includes two exposed parts and a bent part disposed between the two exposed parts. The two exposed parts are connected to the anode terminal part and exposed from the exterior body The bent part includes a recess at a tip of the bent part. The bent part is bent toward a first end surface of the capacitor element so that the recess is disposed in the exterior body. An anode lead is connected to the recess of the bent part.

A solid electrolytic capacitor comprises a capacitor element, an anode terminal and a cathode terminal. The capacitor element comprises an anode body, a dielectric layer, a solid electrolytic layer, a conductive layer and an anode lead wire. The anode lead wire is partially embedded in the anode body and extends in a horizontal direction from the anode body. The anode lead wire has a thicker portion and a thinner portion. The thinner portion is positioned closer to the anode body than the thicker portion is in the horizontal direction. The anode terminal at least has a first end, a second end and an overlapping portion. The anode terminal is connected to the anode lead wire under a state where the first end of the anode terminal is positioned on the thinner portion while the overlapping portion of the anode terminal overlaps with the thicker portion.

A solid electrolytic capacitor comprises a capacitor element, an anode terminal and a cathode terminal. The capacitor element comprises an anode body, a dielectric layer, a solid electrolytic layer, a conductive layer and an anode lead wire. The anode lead wire is partially embedded in the anode body and extends in a horizontal direction from the anode body. The anode lead wire has a thicker portion and a thinner portion. The thinner portion is positioned closer to the anode body than the thicker portion is in the horizontal direction. The anode terminal at least has a first end, a second end and an overlapping portion. The anode terminal is connected to the anode lead wire under a state where the first end of the anode terminal is positioned on the thinner portion while the overlapping portion of the anode terminal overlaps with the thicker portion.

An electrolytic capacitor that includes: a cuboid resin molded body having a first end surface and a second end surface opposite to each other; a first external electrode on the first end surface and electrically connected to an exposed end of an anode; and a second external electrode on the second end surface and electrically connected to an exposed end of a cathode, wherein at least one of the first and second external electrodes has a multilayer structure including: an inner plating layer; and a resin electrode layer on the inner plating layer and containing a resin component and at least one metal selected from Ni, Cu, and Ag, and a total number of layers defining each of the first and second external electrodes is four or less.

A tantalum capacitor includes a tantalum body comprising a tantalum sintered body containing tantalum powder, a conductive polymer layer disposed on the tantalum sintered body and including a first filler as a non-conductive particle, and a tantalum wire. The first filler includes a core including at least one metal oxide among BaTiO.sub.3, Al.sub.2O.sub.3, SiO.sub.2 and ZrO.sub.2, and a coating film disposed on a surface of the core.

A stacked aluminum electrolytic capacitor includes a lead frame, a capacitor set, and at least one laser welding area. The lead frame includes a positive electrode end and a negative electrode end spaced from the positive electrode end. The capacitor set includes a plurality of stacked capacitor elements each having a positive electrode portion electrically connected to the positive electrode end and a negative electrode portion electrically connected to the negative electrode end. The at least one laser welding area is configured by a laser source capable of emitting a laser beam to perform laser welding on the positive electrode end and the positive electrode portion to form a fusion connection therebetween.

An electrolytic capacitor including: an element stack including a plurality of capacitor elements; a package body sealing the element stack; and a first and second external electrode. Each of the capacitor elements includes a first end at which the anode body is exposed, and a second end covered with the cathode section, with at least an end surface of the first end exposed from the package body. The capacitor elements include a first capacitor element in which the first end faces a first surface of the package body, and a second capacitor element in which the first end faces a second surface different from the first surface of the package body. The first and second capacitor elements stacked alternately. The first end of the first capacitor element and the first end of the second capacitor element are electrically connected to the first external electrode and the second external electrode, respectively.

An electrolytic capacitor including: an element stack including a plurality of capacitor elements; a package body sealing the element stack; and a first and second external electrode. Each of the capacitor elements includes a first end at which the anode body is exposed, and a second end covered with the cathode section, with at least an end surface of the first end exposed from the package body. The capacitor elements include a first capacitor element in which the first end faces a first surface of the package body, and a second capacitor element in which the first end faces a second surface different from the first surface of the package body. The first and second capacitor elements stacked alternately. The first end of the first capacitor element and the first end of the second capacitor element are electrically connected to the first external electrode and the second external electrode, respectively.

An electrolytic capacitor includes a bottom surface and a top surface, and includes a capacitor element including an anode lead, an anode lead terminal and a cathode lead terminal each electrically connected to the capacitor element, and exterior resin 101. At least one of the anode lead terminal or the cathode lead terminal includes a terminal part exposed at the bottom surface, and two anchor parts each extending from the terminal part and embedded in the exterior resin. The terminal part includes a side end along a direction in which the anode lead extends. Each of the two anchor parts includes an upright part rising from the side end of the terminal part toward the top surface, and an extending part bending and extending from an upper end of the upright part.

An electrolytic capacitor includes a bottom surface and a top surface, and includes a capacitor element including an anode lead, an anode lead terminal and a cathode lead terminal each electrically connected to the capacitor element, and exterior resin 101. At least one of the anode lead terminal or the cathode lead terminal includes a terminal part exposed at the bottom surface, and two anchor parts each extending from the terminal part and embedded in the exterior resin. The terminal part includes a side end along a direction in which the anode lead extends. Each of the two anchor parts includes an upright part rising from the side end of the terminal part toward the top surface, and an extending part bending and extending from an upper end of the upright part.