Membrane Keyboard Switch

Specifications

1. Membrane keyboard
2. Metal/poly dome can be made
3. 3M467/3M468 adhesive
4. Customized
5. Silk printing technique

Built in Shenzhen our membrane keyboard switches have seen application across a wide range of industries:

Medical

Exercise equipment

Test and measurement

Industrial Automation Equipment

Power Distribution

Aerospace

Home appliance

 

Physical Characteristics

Life Cycles	2 million minimum non-tactile 1 million minimum tactile (metal or poly)
Operating Force	4 - 8 oz typical non-tactile 12 - 20 oz typical tactile
Overall Thickness	.035" typical embossed LED window .050" to .077" typical flat overlay (depending on LED)

Environmental Characteristics

Operating/Storage Temp	-40 to +65 standard   -40 to +85 available
Thermal Shock	no effect after 100 cycles from -40 to +65°C
Humidity	no effect after exposure to 95% RH at 40°C for 504 hours (non-tactile)

Electrical Characteristics

• Contact Resistance: 100 ohms maximum typical
• Open Circuit Resistance: 5 x 106 ohms minimum
• Contact Rating: 30 VDC max, 100 mA max, 1 watt max
• Contact Bounce: 20 ms max