Abstract: An electrolytic capacitor includes a capacitor element. The capacitor element includes an electrode group including an anode body, a cathode body, a separator, and an electrolyte layer. The anode body and the cathode body each has a foil shape. The anode body has a dielectric layer on a surface of the anode body. The electrolyte layer is in contact with the anode body, the cathode body, and the separator. The electrolyte layer contains a conductive polymer and a hydroxyl group-containing compound having a melting point of 50° C. or higher. The hydroxyl group-containing compound is at least one compound selected from the group consisting of a sugar and a polyhydric alcohol. The hydroxyl group-containing compound is unevenly distributed more in a peripheral portion of the capacitor element than in a central portion of the capacitor element.

Abstract: An electrolytic capacitor includes a capacitor element. The capacitor element includes a separator, an anode body and a cathode body each having a foil shape and facing each other with the separator disposed between the anode body and the cathode body, and an electrolyte layer being in contact with the anode body, the cathode body, and the separator. The electrolyte layer contains a first conductive polymer and a first compound having a melting point of 50° C. or higher. The first compound is at least one compound selected from the group consisting of a sugar and a polyhydric alcohol. The first compound is unevenly distributed in the electrolyte layer.

Abstract: A first lead frame has a cathode connection portion connected via a first electrically conductive member to a cathode portion, and a first connection portion having a first connection surface, and is at least partially, externally exposed. A second lead frame has a supporting connection portion connected via a second electrically conductive member to the cathode portion, and a second connection portion having a second connection surface facing the first connection surface. A third electrically conductive member interconnects the first and second connection portions. A solid electrolytic capacitor that can achieve low cost and high production yield can thus be provided.

Abstract: An electrical connector, includes a protection circuit for protecting circuits on a circuit board. The electrical connector includes a housing, a plurality of contacts secured to the housing, and a semiconductor device built into the housing. The semiconductor devices include an overvoltage protection device, and the plurality of contacts are grounded through the overvoltage protection device.

Abstract: A solid electrolytic capacitor includes a cathode terminal structured such that the cathode terminal's flat portion connected to a cathode portion has a divided structure made up of a first flat portion and a second flat portion spaced from each other by a predetermined distance to form a slit. Therefore, even if the cathode terminal is caused to be peeled off from the cathode portion, the peeling can be restricted to only one of the first and second flat portions, so that the peeled-off area can be prevented from increasing. Accordingly, the reliability of the state of fixture of the cathode terminal to the cathode portion is improved, so that the solid electrolytic capacitor can be provided having the structure with which the reliability of the solid electrolytic capacitor can be improved.

Abstract: An electrical connector, includes a protection circuit for protecting circuits on a circuit board. The electrical connector includes a housing, a plurality of contacts secured to the housing, and a semiconductor device built into the housing. The semiconductor devices include an overvoltage protection device, and the plurality of contacts are grounded through the overvoltage protection device.

Abstract: A first lead frame has a cathode connection portion connected via a first electrically conductive member to a cathode portion, and a first connection portion having a first connection surface, and is at least partially, externally exposed. A second lead frame has a supporting connection portion connected via a second electrically conductive member to the cathode portion, and a second connection portion having a second connection surface facing the first connection surface. A third electrically conductive member interconnects the first and second connection portions. A solid electrolytic capacitor that can achieve low cost and high production yield can thus be provided.

Abstract: The present invention is a solid electrolytic capacitor having a dielectric coating film, a solid electrolytic layer, and a cathode lead-out layer on a peripheral surface of an anode body in this order, in which the solid electrolytic layer is equipped with at least a first electrolytically polymerized layer and a second electrolytically polymerized layer formed by electrolytic polymerization of the same monomer, and the first electrolytically polymerized layer and the second electrolytically polymerized layer contain a different dopant. With this configuration, a solid electrolytic capacitor is provided that is superior in an ESR characteristic and also superior in heat resistance without deteriorating leakage current.

Abstract: A solid electrolytic capacitor includes a cathode terminal structured such that the cathode terminal's flat portion connected to a cathode portion has a divided structure made up of a first flat portion and a second flat portion spaced from each other by a predetermined distance to form a slit. Therefore, even if the cathode terminal is caused to be peeled off from the cathode portion, the peeling can be restricted to only one of the first and second flat portions, so that the peeled-off area can be prevented from increasing. Accordingly, the reliability of the state of fixture of the cathode terminal to the cathode portion is improved, so that the solid electrolytic capacitor can be provided having the structure with which the reliability of the solid electrolytic capacitor can be improved.

Abstract: An electrical connector which can prevent damage to a protective wall is disclosed. The protective wall protects contact sections of the contacts and protrudes into the interior of the cavity in the housing to avoid damage to the contact sections, during the twist-insertion of the mating connector. The electrical connector A comprises a housing 10 that is formed of an insulating material and contacts 20 that are attached to the housing 10. The housing 10 has a cavity 31 that receives the mating connector B. The protective wall 12 that protects the contact sections 22 of the contacts 20 is integrally provided with the housing 10 so that this protective wall 12 protrudes from the bottom portion of the cavity 31 into the interior of the cavity 31. A metal plate 40 that covers at least portions of the surfaces of the protective wall 12 is provided.

Abstract: The present invention is a solid electrolytic capacitor having a dielectric coating film, a solid electrolytic layer, and a cathode lead-out layer on a peripheral surface of an anode body in this order, in which the solid electrolytic layer is equipped with at least a first electrolytically polymerized layer and a second electrolytically polymerized layer formed by electrolytic polymerization of the same monomer, and the first electrolytically polymerized layer and the second electrolytically polymerized layer contain a different dopant. With this configuration, a solid electrolytic capacitor is provided that is superior in an ESR characteristic and also superior in heat resistance without deteriorating leakage current.

Abstract: A solid electrolytic capacitor of the present invention includes a capacitor element having an anode element, an anode lead member projecting from the anode element, a dielectric coating formed on a surface of the anode element and a surface of the anode lead member near the anode element, a solid electrolyte layer formed on the dielectric coating, and a cathode lead layer formed on the solid electrolyte layer; and an insulating enclosure member for coating the outer periphery of the capacitor element. End faces of the dielectric coating and the solid electrolyte layer formed on the anode lead member are formed approximately flush with each other. The end faces of the dielectric coating and the solid electrolyte layer are covered with an insulating layer made of a thermoplastic insulating material.

Abstract: A solid electrolytic capacitor (1) comprises an element (2) protruding an anode lead (20), an anode lead frame (3) to which the anode lead (20) is to be attached, and a housing (5) for covering the element (2). The anode lead frame (3) has a step portion (4). The step portion (4) comprises a first horizontal portion (40) provided inside a side portion of the housing (5), a second horizontal portion (41) provided higher or lower and further inside the housing (5) than the first horizontal portion (40) and receiving an outer surface of the anode lead (20), and a linking portion (42) linking the first horizontal portion (40) and the second horizontal portion (41). The linking portion (42) is provided with an open hole (43), an edge of the open hole (43) overlapping the second horizontal portion (41), and a tip portion of the anode lead (20) being fitted into the open hole (43).

Abstract: A solid electrolytic capacitor (1) comprises an element (2) protruding an anode lead (20), an anode lead frame (3) to which the anode lead (20) is to be attached, and a housing (5) for covering the element (2). The anode lead frame (3) has a step portion (4). The step portion (4) comprises a first horizontal portion (40) provided inside a side portion of the housing (5), a second horizontal portion (41) provided higher or lower and further inside the housing (5) than the first horizontal portion (40) and receiving an outer surface of the anode lead (20), and a linking portion (42) linking the first horizontal portion (40) and the second horizontal portion (41). The linking portion (42) is provided with an open hole (43), an edge of the open hole (43) overlapping the second horizontal portion (41), and a tip portion of the anode lead (20) being fitted into the open hole (43).

Abstract: A solid electrolytic capacitor using a conductive polymer compound as a solid electrolyte includes an anode body, a dielectric oxide coating formed on a surface of the anode body, a sulfone group-containing silanol derivative layer formed on at least a portion of the dielectric oxide coating by a coupling reaction, and a conductive polymer compound layer formed at least on the sulfone group-containing silanol derivative layer. With this, a solid electrolytic capacitor having a low ESR and a high capacitance and a method of manufacturing the solid electrolytic capacitor can be provided.

Abstract: A solid electrolytic capacitor of the present invention comprises a capacitor element having an anode element, an anode lead member projecting from the anode element, a dielectric coating formed on a surface of the anode element and a surface of the anode lead member near the anode element, a solid electrolyte layer formed on the dielectric coating, and a cathode lead layer formed on the solid electrolyte layer; and an insulating enclosure member for coating the outer periphery of the capacitor element. End faces of the dielectric coating and the solid electrolyte layer formed on the anode lead member are formed approximately flush with each other. The end faces of the dielectric coating and the solid electrolyte layer are covered with an insulating layer made of a thermoplastic insulating material.

Abstract: An electrical connector which can prevent damage to a protective wall is disclosed. The protective wall protects contact sections of the contacts and protrudes into the interior of the cavity in the housing to avoid damage to the contact sections, during the twist-insertion of the mating connector. The electrical connector A comprises a housing 10 that is formed of an insulating material and contacts 20 that are attached to the housing 10. The housing 10 has a cavity 31 that receives the mating connector B. The protective wall 12 that protects the contact sections 22 of the contacts 20 is integrally provided with the housing 10 so that this protective wall 12 protrudes from the bottom portion of the cavity 31 into the interior of the cavity 31. A metal plate 40 that covers at least portions of the surfaces of the protective wall 12 is provided.

Abstract: A board attachment type electrical connector is provided which can absorb an impact in the direction perpendicular to the contact parts, and through which a relatively large current can flow. Each of the flexible connecting parts in the board attachment type electrical connector has a first extension part that extends in a direction substantially parallel to the contact part after being bent from one side edge of the contact part (base plate part), and a second extension part that extends in the opposite direction from the first extension part substantially parallel to the contact part after being bent from the other side edge of the contact part. At least one of the first extension part and second extension part is connected to the board connecting part.

Abstract: A solid electrolytic capacitor using a conductive polymer compound as a solid electrolyte includes an anode body, a dielectric oxide coating formed on a surface of the anode body, a sulfone group-containing silanol derivative layer formed on at least a portion of the dielectric oxide coating by a coupling reaction, and a conductive polymer compound layer formed at least on the sulfone group-containing silanol derivative layer. With this, a solid electrolytic capacitor having a low ESR and a high capacitance and a method of manufacturing the solid electrolytic capacitor can be provided.

Abstract: A board attachment type electrical connector is provided which can absorb an impact in the direction perpendicular to the contact parts, and through which a relatively large current can flow. Each of the flexible connecting parts in the board attachment type electrical connector has a first extension part that extends in a direction substantially parallel to the contact part after being bent from one side edge of the contact part (base plate part), and a second extension part that extends in the opposite direction from the first extension part substantially parallel to the contact part after being bent from the other side edge of the contact part. At least one of the first extension part and second extension part is connected to the board connecting part.