The ST-1177NA Tactile Switch manufactured by RI SHENG is a surface mount device (SMD) switch with 50mA current rating that features a 3.4mm round button brick nogging. This switch has a 100MO resistance, 100000 cycles of use, 12V voltage rating, 160gf actuation force at +/- 50gf tolerance and an operating temperature range of -20? to +85?. The switch is RoHS compliant and available in a yellow 0.8mm SMD package.