|TWINAX series connectors are weatherproof, physically robust, having twin contacts and a threaded coupling mechanism. TWINAX connectors have an independent key and key-way to ensure the correct contact alignment before mating. They have a nominal impedance of 100 ohms and are matched to twinaxial data transmission cables. These connectors are available in standard V-groove compression clamp style which allow a metal to metal contact of the shield resulting in greater strength and superior electrical performance. Crimp versions are available as well. Because of the superior shielding characteristics of the TWINAX connectors and matching cables, they are particularly suitable for use in balanced low level and high sensitivity circuits as in data transmission applications especially on the older IBM 34, 36, 38 and the AS400 systems, as well as current TWINAX applications.