Product Name:  FPC membrane keyboard manufacturer

Electrical
Operating voltage: 0-35V DC
Operating current: 100mA 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 (170-680g), range depending on customer's specification.
Switch travel: .005" to .030" (0.1-0.8mm) typical.
Overall thickness: .020" to .050" (0.5-1.3mm) 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


Electronic
Characteristics: <35V (DC), <100mA, 1W
Flat type: ≥ 500 million times
Tactile type: ≥ 100 million times
Contact resistance: 10Ω--500Ω (according to trace length and materials to confirm)
Operation temperature: -40°C - + 80°C
Insulating impedance: >100MΩ 250V DC
Stock temperature: -40°C - + 85°C
Resistance of the wire: <1Ω/cm, width: 1.27mm
Humidity: + 40°C, 90%-95%, 240 hours
Operation force: flat type 57-284g (2-10oz), tactile type: 170-397g
(6-14oz)