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Membrane Keypad Switch
All of our products are customized, then the following specs are all flexible:
1. Material: PET/Lexan with different thickness and finish
2. Button effect: embossing + metal domes respectively for good tactility and perfect feedbacks.
Also we can offer the other options: a. embossing, no metal domes;
b. metal domes, no embossing
c. no embossing, no metal domes (flat type)
3. LEDs can be embedded; Bi-color leds are also available.
4. LCD clear window can be made.
5. Colors for graphics are matched with Pantone No.
6. General structure: Overlay--Spacer under overlay--Fixed layer(if metal domes added)/Top circuit--(Metal domes)--Spacer above lower circuit--Lower circuit --Adhesive
7. Flexible cable for connecting with 2.54mm ptich/1mm pitch/0.5mm pitch
Specializing in manufactuing membrane switches: Overlay+circuit+LED+metal dome or poly dome array+connector+double side tape EL backlight+Rubber keys Aluminum plate+Rubber keys Metal domes Flat without Tactile Effect Embossing with Tactile Effect Embossing with Metal Dome Membrane Switch with FPC Performance indicators: 1. Electronic characteristics Circuit rating: 35V (DC), 100mA, 1W Contact resistance: 10Ω --500Ω (According the trace length and materials to comfirm) Insulation resistance: > 100MΩ 250V DC Contact bounce: ≤ 5ms Dielectric withstand: 250VRms (50-60Hz 1min) Life expectancy: Flat type ≥ 500 million times, tactile type: ≥ 100 million times 2. Mechanical Properties Actuation force: Flat type 57-284g (2-10 Oz), tactile type 170-397g (6-14 Oz) Switch stroke: Flat type 0.1-0.5mm, tactile type 0.6-1.5mm 3. Environmental parameters Operating Temperature: -40 - +80, Storage temperature: -40 - +85 Humidity: 40, 90% -95%, 240 hours
Custom Membrane Keypad Switch