Siemens Metal Dome Membrane Keyboard with Plastic Back Panel

Advantage:

1.Accurate and strick  color matching according to customer's requirement,both Panton and Ral color matching system ,using advanced light box and computer color mataching,we can also do half-tone printing                                         

2. Good material control to make sure all the material are high quality ,all the material we used  are Rohns compliant                                                  

3.Our engineer will work with customers and  reommend specail constrution design to meet customer's desires ,such water proof ,dust proof and anti corrasion and so on  

4. Strick quality inspection ,100 %  funtional tesiting ,and we can also do specified testing ,such as humility testing ,life expectancy testing ,actuation force testing.

5. We are qualified  Dara switch .5. Except membrane switch and touch screen, we can also do different types of assembly,such as membrane switch and touch screen with FPC, PCB ,silicone rubber ,metal backer ,plastic bezel and so on.      

6. We can accept small quantity order and offer competitve price.

Technical Parameters

1. Electrical

Maximum Circuit Rating: 35V(DC),100mA,1W

Contact Resistance: 10Ω~ 500Ω (Varies from the trace length and material)

Insulation Resistance: 100MΩ 100V

Dielectric: 250 Vrms (50~60Hz 1min)

Contact Bounce: < 5ms 

Life:  Flat: ≥ 5million times

          Tactile: ≥ 1 million times

          Duraswitch: ≥ 10million times

2. Mechanical

Actuation Force: Flat: 57~284g(2~10oz) 

                           Tactile: 170~397g(6~14oz)

Switch Height:  Flat: 0.1~0.5mm 

                        Tactile: 0.6~1.5mm

3. Environment

Operation Temperature: -40~+80 Degree Centigrade

Storage Temperature: -40~+80 Degree Centigrade

Humidity: 90%~95%, 240 hours

Vibration: 20G, max (10~200Hz,Mil-SLD-202,M204.Condition B)