Membrane switch 
We have more than ten years experience of design and manufacturing in membrane switches and silicone rubber keypads. Our products are popular used in electronics, appliances, hospital equipment and military vehicles. 

We are very proud that we have been providing our best service to more than 100 stable customers all over the world. 
All our circuit, graphic overlays and membrane switches are thoroughly tested and inspected before they leave our factory. 

Flexible printed circuit 
Material: Polyester witch conductive sliver and carbon 
Rear adhesive: American3m 467MP, 3m 468MP, 3m9472le, etc 

Flexible circuits: 
1.100% quality tested 
2. Long life expectancy 
3. LED inside( bi-color) 
4. FPC - double side circuit 

Performance indicators: 
1. Electronic characteristics 
Circuit rating: 35V (DC), 100mA, 1W 
Contact resistance: 10Ω --700Ω (according the trace length and materials to confirm) 
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 - +80, storage temperature: -40 - +85 humidity: 40, 90% -95%, 240 hours. 
Matching color: Pantone color matching system. 

Production capacity: 1000000times 
Unit price: Negotiable/ 
Shipment terms: EXW 
Payment terms: T/T 
Origin: Dongguang 
Packing: In carton 
Materials: Textured PC, gloss PC with matte finish, autotype pet and PVC 
Thickness: 0.5, 0.7, 0.8 and 1.0mm 
LED windows: Clear or translucent with all colors 
Embossed keys: Polydome and rim 
Metal dome: Brand of nicomatic and innovan, nickel and gold plated 
Tail: With mylar and UV 
Connector: Nicomatic, fci, molex and zif 
Adhesive: 3m 467, 468, 3m9495, 3m7945 and 3m7959 

Notice: We have the capacity to provide you membrane switches with other special requirements, such as water proof, shielding, windows/lens coating, embedded LEDs, UV glossy/ matte/ textured, etc.