Membrane switch keypad

Overlay Materials: The most commonly used base materials are polyester and polycarbonate.

Rear Adhesive: 3M 467MP, 3M 468MP, etc.

Standard Tolerances: +/-.010 inch.

Matching color: Pantone and RAL color matching system.

Tail, pin and circuit layout: subject to customers detailed requests.

Type of Switch:

Non tactile
graphics
Tactile with stainless steel domes
Tactile with poly domes on the circuit
Notice: We have the capacity to provide you membrane switches with other special requirements, such as Shielding, Windows/Lens Coating, Embossing, Embedded LEDs, UV glossy/matte/textured, etc.



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.