4x3 Matrix (12 Key) Membrane Keypad

Use this awesome 12 key, 4x3, membrane keypad for all your Arduino input needs! It is easy to use, flexible, light-weight and looks professional. Contact resistance of 500 Insulation resistance 100M Key Operating Force 150-200N Rebound time 1 (ms) Life of 100 million (times) Operating Temperature 60 1.The electronic characteristics: Circuit Rating: 35V (DC), 100mA, 1W Contact resistance: 10Ω ~ 500Ω (Varies according to the lead lengths and different from those of the material used) Insulation resistance: 100MΩ 100V Dielectric Strength: 250VRms (50 ~ 60Hz 1min) Electric shock jitter: <5ms Life span: tactile type: ≥ one million times 2.The mechanical properties Operating pressure: Touch feeling: 170 ~ 397g (6 ~ 14oz) Switch travel: touch-type: 0.6 ~ 1.5mm 3.The environment parameters Operating temperature: -40 to 80 Storage temperature: -40 to 80 Temperature: from 40,90% to 95%, 240 hours Vibration: 20G, max. (10 ~~ 200Hz, the Mil-SLD-202 M204.Condition B)