The SKRKAGE020 from Alps Electric is surface mount single pole single throw (SPST) tactile switch with NO contact configuration, Off-Mom switch function and SMD (SMT) tab termination. This switch has 1.50mm round actuator (top actuated), 160gf operating force and 0.05A contact rating @ 12VDC voltage. Outline dimensions are: 3.90mm x 2.90mm. Operating temperature range is from -20°C to 70°C.