The TE Connectivity / Alcoswitch brand part FSM2JSMAATR is a tactile switch designed for OFF (ON) functionality. It features a single-pole, single-throw (SPST) configuration with a round button and gull wing terminations for surface mount installation. This switch has a current rating of 0.05A and operates at 12VDC, with a actuation force of 2.55N. It is supplied in tape and reel packaging for automated assembly processes.