1.membrane switch keypad 2.customised design 3.Silk printing made 4.Poly/metal dome 5.3M rear adhesive

MEMBRANE SWITCH PANEL

Environmental      Operating Temperature  -20° to 65° C (-4° to 149° F)  Storage Temperature  -40° to 85° C (-40° to 185° F)  Seals  3M permanent acrylic adhesive resists against dust, water, oil and moisture conditions.  Special sealing options are available for wet environments.  Mechanical   Travel  .007 inches to .015 inches  Operating Force  4oz to 8oz 

Electrical       Operating Voltage  30 volts maximum  Operating Current  10 microamps to 100 milliamps, resistive  Closed Circuit Resistance  100 ohms typical, dependent on size and layout  Open Circuit Resistance  10 megohms  Operating Power  1 watt maximum  Circuitry  X-Y matrix or one side common

Membrane Switch Keypad Manufacturer