The Basic Contact Probe F11121S053N040 (item number 1001354) is a spring-loaded probe for temporary electrical contact with test points. With tip style 21 (4-point crown (self-cleaning)), F11121S053N040 combines ICT/FCT use with a geometry intended for pad surfaces and soldered pins where the crown geometry can penetrate residues or oxide layers. F11121S053N040 combines a pitch of 1.27 mm / 50 mil with tip style 21 (4-point crown (self-cleaning)) and a tip diameter of 0.53 mm. F11121S053N040 operates with 40 cN spring force and 2 mm nominal travel. F11121S053N040 is rated for 3 A continuous current with a typical contact resistance of 65 mΩ. The plunger in F11121S053N040 is made of steel and is Nickel-plated.
