LogicInside 4x3 Membrane Keypad - Key Printed Educational Electronic Hobby Kit

• 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: 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)