Membrane Keyboard Manufacturer

Specifications

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