?????????????MEMBRANE KEYBOARD SWITCH STANDARD SPECIFICATIONS
1.Electrical
(1)Maximun Circuit Rating:	35V DC,100mA,1W
(2)Contact Resistance:	10Ω~500Ω
(3)Insulation Resistance:	100MΩ at 100V DC
(4)Dielectric Withstand:	250V Rms(50-60Hz 1min)
(5)Contact Bounce:	5ms or less
2.Mechanical
(1)Actuation Force:	Flat type 60g~300g(2~10OZ)
	Tactile type 150g~400g(6~14OZ)
(2)Switch Stroke:	Flat type 0.1~0.5mm
	Tactile type 0.6~1.5mm
(3)Life Expectancy:	Flat type Five milllion closures or more Tactile type one million closures or more
3.Environmental?
(1)Operating Temperature:	-40°c~+80°c
(2)Storage Temperature:	-40°c~+85°c
(3)Humidity:	40°c,90%~95%,for 240 hours

Advantage of?our?membrane switch?:

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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??????????????????????????????????????????

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

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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???

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

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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.???????

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

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