FSM8JH is a tactile pushbutton switch manufactured by TE Connectivity (Alcoswitch brand) designed for through-hole printed circuit board mounting. The switch features a contact rating of 50 mA, an actuator force of 160 grams (5.648 oz), and momentary off-on operating function without ganging capability. It has an actuator length of 5.90 mm (0.232 in) and a switch height of 9.50 mm (0.374 in), with an extended black polyacetal resin actuator and polyamide case. The contact surfaces are silver-plated over a copper alloy base, and the switch includes tactile feedback for positive user confirmation. This switch is ideal for consumer electronics, industrial control panels, and applications requiring reliable momentary switching with tactile response.