membrane switch specs

    Non-tactile Tactile Metal Dome Tactile Polydome
  Electrical      
Contact rating 30 VDC, 100mA, 1 Watt
Contact resistance < 100 ohms
  Contact bounce < 10 ms
  Capacitance < 20 pf
  Mechanical      
  Actuation Force 3-10 oz. 10-16 oz. 4-18 oz.
  Life cycle (millions) 5 5 1
  Key travel .007-.011" .015-.025" .010-.045"
Environmental      
Operating Temperature -30° to 80° C -30° to 80° C -20° to 55° C
Storage Temperature -40° to 80° C -40° to 80° C -20° to 55° C
       
    Non-tactile Tactile Metal Dome Tactile Polydome
  Electrical      
Contact rating 30 VDC, 100mA, 1 Watt
Contact resistance < 100 ohms
  Contact bounce < 10 ms
  Capacitance < 20 pf
  Mechanical      
  Actuation Force 3-10 oz. 10-16 oz. 4-18 oz.
  Life cycle (millions) 5 5 1
  Key travel .007-.011" .015-.025" .010-.045"
Environmental      
Operating Temperature -30° to 80° C -30° to 80° C -20° to 55° C
Storage Temperature -40° to 80° C -40° to 80° C -20° to 55° C