Sillicone Rubber Keypads Description 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