As a Basic Contact Probe, F77312B300G150 (item number 1001523) establishes a spring-loaded electrical connection to the test point. With tip style 12 (Spherical stepped), F77312B300G150 combines ICT/FCT use with a geometry intended for clean contact surfaces where marking or scratching should be minimized. F77312B300G150 combines a pitch of 3.5 mm / 138 mil with tip style 12 (Spherical stepped) and a tip diameter of 3 mm. F77312B300G150 operates with 150 cN spring force and 4 mm nominal travel. The electrical rating of F77312B300G150 combines 10 A continuous current with 25 mΩ typical contact resistance. The plunger in F77312B300G150 is made of beryllium copper and is gold-plated.