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 (-40F) 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 80C and 90%RH.