two buttons membrane switch keypad with metal domes waterproof overlay/panel /cover

Specifications

1 Flexible circuit with adhesive
2 Embossed overlay
3 Screen printing
4rear adhesive 3M468/467

Supply all different kinds of keyboard membrane switch

Construction:

(1) Overlay (UV window) + circuit + LED + metal done array + (Connector) + double side tape
(2) EL backlight + Rubber keys
(3) Alumimun plate + rubber keys
(4) Metal domes
(5) Embossment
Customer' designes are welcome.

 

Technology

Properties: 
Operating voltage: < 35V DC 
Operating current: < 100mA 
Contact resistance: < 100 Ohms 
Open circuit resistance: > 10M Ohms 
Operating temperature: -35 to 70 degrees Celsius 
Storage temperature: -45 to 90 degrees Celsius 
Life expectancy: 500,000 to 30,000,000 cycles 
Switch stroke: 0.1 to 0.6mm 
Contact bounce: 5 to 30ms 
Actuation force tolerance: +/- 20 to 45g 
Tactile ratio: FC > 40% 
Operating humidity: up to 95% RH 
Female, male connector, solder pins and heat seal connectors are available

 

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 ≥ 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 Xin Jie Jia Electronic Membrane Switch Co., ltd. provide membrane switch with high quality and low price, we are a professionalmembrane switch manufacturer.

Membrane switches are widely used on industrial and home electronic equipments.