A coaxial connector (1) in which a conductive housing (2) is provided with a projecting electrical terminal (8), a conductive shell (3) and an insulative body (4) are encircled by the housing (2), a central electrical contact (5) for transmitting an electrical signal is concentrically encircled by the insulative body (4), and an electrical terminal portion (33) of the contact (5) projects from the shell (2), and an extended axial stem portion (21) of the insulative body (21) projects outwardly from the conductive housing (2) and encircles the terminal portion (33) to provide a lengthy voltage creepage path and a lengthy voltage clearance path.