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 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 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 interposed between the load and the voltage regulator , wherein the through-hole conductor 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 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 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 interposed between the load and the voltage regulator , wherein the through-hole conductor 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 , <EOS>