4 x 4 Matrix Array 16 Key Membrane Switch Keypad Keyboard

• Contact resistance of 500 (Ω) 
• Insulation resistance 100M (Ω) 
• 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)