Abstract: A solid electrolyte capacitor includes a sintered body formed by sintering a molded body containing a metal powder; and a solid electrolyte layer disposed on the sintered body, wherein the solid electrolyte layer includes a first layer containing an electrolytic polymerization conductive polymer disposed on the sintered body and a second layer containing a chemical polymerization conductive polymer disposed on the first layer.

Abstract: A solid electrolyte capacitor includes a sintered body formed by sintering a molded body containing a metal powder; and a solid electrolyte layer disposed on the sintered body, wherein the solid electrolyte layer includes a first layer containing an electrolytic polymerization conductive polymer disposed on the sintered body and a second layer containing a chemical polymerization conductive polymer disposed on the first layer.

Abstract: A composite electronic component includes: a tantalum capacitor, a multilayer ceramic capacitor, a sealing part, an anode lead frame, and a cathode lead frame, wherein the anode lead frame includes a step portion that does not contact a first external electrode of the multilayer ceramic capacitor, and the cathode lead frame includes a step portion that does not contact a second external electrode of the multilayer ceramic capacitor.

Abstract: A tantalum capacitor may include two tantalum wires exposed through two surfaces of a capacitor body opposing each other, first and second positive electrode terminals, connected to the tantalum wires, respectively, and disposed on two surfaces of a molded part opposing each other, and a negative electrode terminal disposed between the first and second positive electrode terminals. The negative electrode terminal may be electrically connected to the capacitor body by a via electrode or a pad electrode disposed between the negative electrode terminal and the capacitor body.

Abstract: A tantalum capacitor includes tantalum elements having protruding anode lead wires, a sealing part enclosing the tantalum elements, an insulating member disposed below the sealing part, an anode terminal electrically connected to the anode lead wires, and a cathode terminal electrically connected to the tantalum elements. At least two tantalum elements are connected in parallel, and the cathode terminal includes a cathode terminal part disposed on a lower surface of the insulating member through a plurality of vias penetrating through the insulating member.

Abstract: A composite electronic component includes: a tantalum capacitor, a multilayer ceramic capacitor, a sealing part, an anode lead frame, and a cathode lead frame, wherein the anode lead frame includes a step portion that does not contact a first external electrode of the multilayer ceramic capacitor, and the cathode lead frame includes a step portion that does not contact a second external electrode of the multilayer ceramic capacitor.

Abstract: A tantalum capacitor may include two tantalum wires exposed through two surfaces of a capacitor body opposing each other, first and second positive electrode terminals, connected to the tantalum wires, respectively, and disposed on two surfaces of a molded part opposing each other, and a negative electrode terminal disposed between the first and second positive electrode terminals. The negative electrode terminal may be electrically connected to the capacitor body by a via electrode or a pad electrode disposed between the negative electrode terminal and the capacitor body.

Abstract: In a tantalum capacitor, a bending angle between a positive electrode terminal part of a positive electrode lead frame and a wire connection part connected to a tantalum wire may be set to 87 to 93° to maintain constant a contact area between a non-insertion region of the tantalum wire and an end portion of the wire connection part at the time of welding and adhering the non-insertion region and the end portion to each other.