Membrane Kepad

Membrane Switch(membrane keypad,keypads,membrane keyboard) We speccialize in manufacturing Membrnae switch with : 1,Excellent Quality. 2, Cometitive Price. 3, Oustanding Customer service(quickly responce and exactly delivery) Design and Construction : (Customer's designes are welcome.) 1,Membrane switch: Overlay:Polyester / Polycarbonate Spacer: Polyester+Adhesive+Polyester Circuit: Top circuit(Polyester) and Bottom Circuit Rear Adhesive: 3M 467,3M468 ... 2,Assemble work: Membrane switch + EL backlight+Rubber keypad +PCB +Metal Plate+Rear Adhesive 1,Overlay(UV windows or glossy )+circuit+LED+metal domes+(connector)+rear adhesive 2,El backlight +rubber keypad 3,Aluminum plate +rubber keypad 4,metal domes 5,Embossing button waterpoof Performance Electrical Operating Voltage: 0-35 V DC. Operating Current: 100 MA Max. Operating Contact Resistance: Less than 100 OHMS typical Contact Bounce: Less than 5 Milliseconds typical. Conductors: Printed silver conductive inks or carbon blend. RFI and ESD Shielding: Available in most configurations. Mechanical Life Expectancy: 1,000,000 actuations per switch position Actuation Force: 6-24 ounces, Range depending on customer specification. Switch Travel: .005" to .030" typical. Overall Thickness: .020" to .050" typical. Environmental Storage Temperature: -40°C (-40°F) to +70°C (158°F). Storage Altitude: Sea level to 35,000 feet. Operating Temperature and Altitude: -30°C (-30°F) to +75°C (170°F). Can be designed to operate in most environments. Humidity: No delamination after 24 hours at 80°C and 90%RH . .