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-tactile1 million minimum tactile (metal or poly)
Operating Force	4 - 8 oz typical non-tactile12 - 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

Membrane Keyboard Switch Button