Membrane Keyboard Switch:
Material: Matte PC (smooth), gloss PC + matte oil, gloss PC, PET, and PVC
Thickness: 0.05---1.0mm
LED windows: Transparent, translucent, matte, gloss
Embossed keys: No embossed keys and domes, domes without embossed keys, embossed keys without domes, embossed keys and domes
Adhesive: 3M9448, 3M9080, 3M467, 3M468, and no adhesive
Matching color: Pantone color matching system
Tail, pin and circuit layout: Subject to customers detailed requests

Specialize in manufactuing membrane switch:
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:
Electronic characteristics
1. Circuit rating: 35V (DC), 100mA, 1W
2. Contact resistance: 10Ω --500Ω (According the trace length and materials to comfirm)
3. Insulation resistance: > 100MΩ 250V DC
4. Contact bounce: ≤ 5ms Dielectric withstand: 250VRms (50-60Hz 1min)
5. Life expectancy: Flat type ≥ 500 million times, tactile type: ≥ 100 million times
6. 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
7. Operating Temperature: -40 C - +80 C, Storage temperature: -40 C - +85 C Humidity: 40 C, 90% -95%, 240 hours