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push button membrane switch
push button membrane switch
Supplier Info
[China Supplier]
Contact Person : Ms. Ta Summer
Tel : 86-010-88797205
Fax :
Product Detail
maximum working voltage 42VDC 5VAC Inductive key Life is more than 800000 times

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

5)Application range

1:used in medical instruments, anesthesia machine, ventilator, shadowless, high-frequency electric knife, IF treatment instrument, monitor, infusion pumps, blood pressure monitors

2:Power communications equipment, power supply, UPS power supply, electrical equipment protection device, wind power controllers, etc.

3:Financial services class equipment

4:Instrument, electrical instruments, thermal instrumentation, weighing instrument (high precision electronic scale, etc.).

5:Communications equipment. Such as nokia mobile phone keyboard

6:Medium voltage, low voltage electrical equipment

7:Radio and television equipment

8:Automobile industry, car steering wheel built-in speakers switch etc

9:Testing equipment: such as hardness tester, thickness gauge, coating apparatus

10:Electric welding machine industry (digital welding machine)

11:Industrial control computer equipment, numerical control lathe equipment, industrial automation, metallurgical equipment

12:Analytical instruments, food analysis, biological analysis)

13:Energy-saving control equipment

14:Coal mine equipment  

15:

Military machinery, home appliance field, the well equipment, glass equipment, drilling equipment

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