electronic scale Keypad

Product description:

1.Custom membrane switch with tactile feeling.
2.second layer printing.
3.durable
4.scratch resistant

Electronic sale 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.