The Basic Contact Probe F77307S400L300 (item number 1003362) is a spring-loaded probe for temporary electrical contact with test points. With tip style 07 (Hexagonal 90° stepped), F77307S400L300 combines ICT/FCT use with a geometry intended for plated vias and pads where sharp edges penetrate contamination and oxide layers. The design combines a pitch of 3.5 mm / 138 mil with tip style 07 (Hexagonal 90° stepped) and a tip diameter of 4 mm. For F77307S400L300, spring force is 300 cN at a nominal travel of 4 mm. F77307S400L300 is rated for 10 A continuous current with a typical contact resistance of 25 mΩ. The plunger in F77307S400L300 is made of steel and uses Longtime Gold plating.