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silicone rubber keypad
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???‚¬?? Characteristics:
o With epoxy cap and plastic electroplating
o Available in epoxy coating or paint-sprayed, with colored keys upon request
???‚¬?? Mechanical properties:
o Operating temperature: -40 to 180 degrees Celsius
o Storage temperature: -55 to 250 degrees Celsius
o Operating life: 5 x 105 to 3 x 107 cycles
o Actuation force: 20g to 500g
o Key stroke: 0.3mm to 5mm
???‚¬?? Electrical properties:
o Contact resistance: < 100 ohms
o Insulation resistance: > 10m ohms
o Contact bounce: < 20ms
o Insulation breakdown: 26kV/mm
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