4 x 4 matrix array 16 key membrane switch keypad keyboard for arduino avr pi?c
description
contact resistance of 500 O
insulation resistance 100m O
key operating force 150 200n
rebound time 1 ms
life of 100 million times
operating temperature 60 degree centigrade
1, the electronic characteristics
circuit rating: 35v dc , 100ma, 1w
contact resistance: 10O 500O
varies according to the lead lengths and different from those of the material used
insulation resistance: 100mO 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 plus 80
storage temperature: 40 to plus 80
temperature: from 40,90 percent to 95 percent , 240 hours
vibration: 20g, max. 10 200hz, the mil sld 202 m204.condition b