The C&K’s PTS125 series 12mm tactile switches are most often seen used in industrial, consumer products, instrumentation and computing equipment. This switch is straight, top actuated, and required actuating force is 250 gms. This switch has pegs and a 4.3 mm round actuator. Also, it has 1 million working (life) cycles. It has bounce time of less than 5 ms, and operating temperature of -40?C to 85?C.

Maximum voltage is 12 Vdc and maximum current is 50 mA
Dielectric strength of 250 Vac (1 mn)
Contact resistance of less than 100 mΩ and insulation resistance of more than 100 MΩ