An output-noise reduction device that outputs an output signal from an electronic device to a supplying device such as an external electronic device and reduces a noise generated by the electronic device and mixed in the output signal, the output-noise reduction device comprising: a magnetic body core that is made of a magnetic material and has a through hole; a conducting bar that is made of a conductive material, inserted in the through hole in the magnetic body core, has one end portion in an inserting direction serving as a connecting portion to be connected to the electronic device, and has another end portion provided with a bent portion bent to be in an orthogonal direction with respect to the inserting direction; an encapsulating member that is made of a resin material, and encapsulates the magnetic body core and the conducting bar inserted to the magnetic body core; and an output terminal that is fixed to the bent portion of the conducting bar and is configured to be connected to the supplying device such as an external electronic device, wherein the bent portion includes a first curved portion formed by being curved by a predetermined angle from the one end portion of the conducting bar in the inserting direction toward the orthogonal direction with respect to the inserting direction, and a bolt connecting portion continuing from a distal end portion of the first curved portion, the bolt connecting portion is provided with a press fitting hole in which the output terminal is press fit, the output terminal includes: a bolt to be connected to the supplying device such as an external electronic device; and a nut, in which the bolt is fastened by screwing, the nut being provided with a press fitting portion formed to have a size corresponding to a size of the press fitting hole, and the bolt is fastened to the nut, fixed with the press fitting portion fit in the press fitting hole, by screwing, characterized in that the output-noise reduction device further comprises a capacitor being connected to the output terminal and being adapted for connection to ground potential, the capacitor being encapsulated by the encapsulating member; the bent portion includes a second curved portion continuing from an end portion of the bolt connecting portion and formed by being bent by a predetermined angle from the end portion of the bolt connecting portion toward the one end portion in the inserting direction. a magnetic body core that is made of a magnetic material and has a through hole; a conducting bar that is made of a conductive material, inserted in the through hole in the magnetic body core, has one end portion in an inserting direction serving as a connecting portion to be connected to the electronic device, and has another end portion provided with a bent portion bent to be in an orthogonal direction with respect to the inserting direction; an encapsulating member that is made of a resin material, and encapsulates the magnetic body core and the conducting bar inserted to the magnetic body core; and an output terminal that is fixed to the bent portion of the conducting bar and is configured to be connected to the supplying device such as an external electronic device, wherein the bent portion includes a first curved portion formed by being curved by a predetermined angle from the one end portion of the conducting bar in the inserting direction toward the orthogonal direction with respect to the inserting direction, and a bolt connecting portion continuing from a distal end portion of the first curved portion, the bolt connecting portion is provided with a press fitting hole in which the output terminal is press fit, the output terminal includes: a bolt to be connected to the supplying device such as an external electronic device; and a nut, in which the bolt is fastened by screwing, the nut being provided with a press fitting portion formed to have a size corresponding to a size of the press fitting hole, and a bolt to be connected to the supplying device such as an external electronic device; and a nut, in which the bolt is fastened by screwing, the nut being provided with a press fitting portion formed to have a size corresponding to a size of the press fitting hole, and the bolt is fastened to the nut, fixed with the press fitting portion fit in the press fitting hole, by screwing, characterized in that the output-noise reduction device further comprises a capacitor being connected to the output terminal and being adapted for connection to ground potential, the capacitor being encapsulated by the encapsulating member; the bent portion includes a second curved portion continuing from an end portion of the bolt connecting portion and formed by being bent by a predetermined angle from the end portion of the bolt connecting portion toward the one end portion in the inserting direction.