As a Basic Contact Probe, F10055B180G100 (item number 1017694) establishes a spring-loaded electrical connection to the test point. With tip style 55 (Concave stepped (self-cleaning)), F10055B180G100 combines ICT/FCT use with a geometry intended for pins and wire-wrap posts with a guided, smooth contacting action. F10055B180G100 combines a pitch of 2.54 mm / 100 mil with tip style 55 (Concave stepped (self-cleaning)) and a tip diameter of 1.8 mm. For F10055B180G100, spring force is 100 cN at a nominal travel of 4.3 mm. F10055B180G100 is rated for 5 A continuous current with a typical contact resistance of 20 mΩ. The plunger in F10055B180G100 is made of beryllium copper and is gold-plated.