Membrane keyboard Specifications/Special Features:
Material: Matte PC (smooth), gloss PC + matte oil, gloss PC, PET, and PVC
LED windows: Transparent, translucent, matte
Embossed keys: No embossed keys and domes, domes without embossed keys, embossed keys without domes, embossed keys and domes
Adhesive: 3M9448, 3M9080, 3M467, 3M468, 3M300LSE, 3M9671 etc.
Tail: Tail with clear mask or green mask
Specialize in manufactuing membrane keyboard:
Overlay+circuit+LED+metal dome or poly dome array+connector+double side tape
EL backlight+Rubber keys
Aluminum plate+Rubber keys
Flat without Tactile Effect
Embossing with Tactile Effect
Embossing with Metal Dome
Membrane keyboard with FPC
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 ≥ 5 million times, tactile type: ≥ 1 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 C- +80 C, Storage temperature: -40 C - +85 C
Humidity: 40C, 90% -95%, 240 hours
Shenzhen Lunfeng Nameplate Co., Ltd. Provide membrane keypad with high quality and low price, we are a professional keypad manufacturer.
Membrane keypads are widely used on industrial and home electronic equipments.
We have more than ten ...
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