Membrane Keyboard Keypad
Specifications
1) Strict quality control with IQC2) Good tactility
3) Custom made
4) PVC/PET/PC
5) Membrane keyboard
Membrane Keybord
1) Material: Matte PC (smooth), gloss PC + matte oil, gloss PC, PET, and PVC
2) Embossed keys: No embossed keys and domes, domes without embossed keys etc.
3) Adhesive: 3M9448, 3M9080, 3M467, 3M468,
4)Specialize in manufactuing membrane switch and panel:
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
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