Provided are a coaxial wire distributed element and an electronic device using the same, wherein the waterproof property in an insertion hole of a housing is ensured; the sizes of a hinge and the surroundings of the hinge are reduced, and the structures of the same are simplified; and the number of components is reduced. The coaxial wire distributed element is comprised of a plurality of coaxial wires (11) and a sealing portion (3) formed so as to be integral with the coaxial wires (11), and is characterized in that the sealing portion (3) has a space filling portion (3j) for filling the spaces between the coaxial wires, and a peripheral portion (3s) for surrounding the coaxial wires.