Willwin 5pcs 4x4 Membrane Switch Keypad Keyboard 44 16 Key Matrix Array Matrix Keyboard for Robot arduino Smart car New

Contact resistance of 500 (?) Insulation resistance 100M (?) Key Operating Force 150-200N Rebound time 1 (ms) Life of 100 million (times) Operating Temperature 60 (C) 1. the electronic characteristics Circuit Rating: 35V (DC), 100mA, 1W Contact resistance: 10? ~ 500? (Varies according to the lead lengths and different from those of the material used) Insulation resistance: 100M? 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) Package Contents 4x4 Membrane Switch x 5