Micro Tact Switch - 4 Pin - 4.5 * 4.5 * 7.4mm
These small, four-pin, momentary tactile buttons are intended for mounting to PCBs, but they can also be plugged into standard 0.1" breadboards. They work well as reset buttons and can be connected to microcontroller inputs to serve as a user-interface components.
* Rating : DC 12V50mA
* Travel:0.25 +/- 0.1mm
* Operating Force :130 or 180 +/- 30gf, 250 +/- 50gf
* Contact Resistance : 100m Ohm. Max
* Life: 50,000 ~80.000Cycle Min.
* Square knob size: 2.4 * 2.4mm / 2.8 * 2.8mm