membrane switch

BEIJING YIDAHUI TECHNOLOGY CO.LTD

Professional membrane switch manufacturers !!!

1)The ageing of membrane switch

1.Keyboard resistance to high temperature+100 °C

2.keyboard performance and stability

3.Resistance does not increase lasted 48 hours does not exceed 50 ohms

4.+120 °C -40 °C layer interaction viscous viscosity of not less than 17N/cm tack

5.Keyboard resistant to alcohol, soaked in water for two weeks circuit no abnormal

2)Membrane switch technical parameter

1. Maximum working voltage 42VDC 5VAC

2. Power less than 1W

3. Maximum pressure500VAC Don't breakdown , No flashover phenomenon Lasted 1-5 min

4. The maximum working current is less than200MA

5. Inductive key Life is more than 800000 times

6. Non-inductive key Life is more than 1 million times

7. The Key sensitive No more than 3 ms

8. Insulation resistance More than 100 m

9. Return wire Long 1 cm not more than 0.5

10.LED lamp through the current for 10 MA

3)Membrane Material

1.Autotype pet series

2.EBG180 glaze , EBG130glaze , F150sand finish , F200 sand finish

3.F150 Brushed sand surface

4.GE PC glaze,0.5 0.125 0.175 0.25PCglaze,

5.GE PC Medium sand surface ,Fine sand surface

6.0.5 0.125 0.175 0.25PC sand finish ,0.175 Brushed sand surface

4)Under gum

3M,467th0.05,468th0.13,9080th0.15,55236th0.15