C & K IP40 Black Button Tactile Switch, SPST 10 mA 2.11mm Surface Mount
2mm, Width: 2.8mm, Operating Force: 2 N, Contact Material: Gold Plated, Maximum Operating Temperature: +125°C, MPN: KMR223NG ULC LFG.11mm Surface Mount, Contact Configuration: Single Pole Single Throw (SPST), Terminal Type: Gull Wing, Switch Operation: Momentary, Length: 4.