The Basic Contact Probe F77306B230G300 (item number 1001579) is a spring-loaded probe for temporary electrical contact with test points. With tip style 06 (Serrated stepped), F77306B230G300 combines ICT/FCT use with a geometry intended for wires, pins and wire-wrap posts; the geometry is also suited to slightly bent contacts. F77306B230G300 combines a pitch of 3.5 mm / 138 mil with tip style 06 (Serrated stepped) and a tip diameter of 2.3 mm. F77306B230G300 operates with 300 cN spring force and 4 mm nominal travel. F77306B230G300 is rated for 10 A continuous current with a typical contact resistance of 25 mΩ. The plunger in F77306B230G300 is made of beryllium copper and is gold-plated.