A module for a semiconductor composite device that supplies a direct-current voltage adjusted by a voltage regulator including a semiconductor active element to a load, the module comprising: a capacitor layer (210, 210A) that includes at least one capacitor portion forming a capacitor; a connection terminal that is used for electrical connection with at least one of the voltage regulator and the load; and a through-hole conductor (260, 262, 264, 266, 267, 560, 562, 564) that is formed to penetrate the capacitor portion in a thickness direction of the capacitor layer, wherein the capacitor is electrically connected to at least one of the load and the voltage regulator with the through-hole conductor (260, 262, 264, 266, 267, 560, 562, 564) interposed between the load and the voltage regulator, wherein the through-hole conductor (260, 262, 264, 266, 267, 560, 562, 564) includes a first through-hole conductor formed in at least an inner wall surface of a first through-hole penetrating the capacitor portion in the thickness direction, and the first through-hole conductor is electrically connected to an anode of the capacitor portion; wherein the capacitor portion includes an anode plate including metal, and the first through-hole conductor is connected to an end surface of the anode plate; characterised in that the module further comprises an anode connection layer that is provided between the first through-hole conductor and the end surface of the anode plate, wherein the first through-hole conductor is connected to the end surface of the anode plate with the anode connection layer interposed between the first through-hole conductor and the end surface of the anode plate, when viewed in section from a direction orthogonal to the thickness direction, the first through-hole conductor of a portion where the anode connection layer is present protrudes inward in the first through-hole as compared with the first through-hole conductor of a portion where the anode connection layer is not present. a capacitor layer (210, 210A) that includes at least one capacitor portion forming a capacitor; a connection terminal that is used for electrical connection with at least one of the voltage regulator and the load; and a through-hole conductor (260, 262, 264, 266, 267, 560, 562, 564) that is formed to penetrate the capacitor portion in a thickness direction of the capacitor layer, wherein the capacitor is electrically connected to at least one of the load and the voltage regulator with the through-hole conductor (260, 262, 264, 266, 267, 560, 562, 564) interposed between the load and the voltage regulator, wherein the through-hole conductor (260, 262, 264, 266, 267, 560, 562, 564) includes a first through-hole conductor formed in at least an inner wall surface of a first through-hole penetrating the capacitor portion in the thickness direction, and the first through-hole conductor is electrically connected to an anode of the capacitor portion; wherein the capacitor portion includes an anode plate including metal, and the first through-hole conductor is connected to an end surface of the anode plate; characterised in that the module further comprises an anode connection layer that is provided between the first through-hole conductor and the end surface of the anode plate, wherein the first through-hole conductor is connected to the end surface of the anode plate with the anode connection layer interposed between the first through-hole conductor and the end surface of the anode plate,