Membrane Switches
Flat Keys or tactile type available
Embossed button with good tactile feel
Pre-assemble with or without metal domes
Waterproof, dust proof, gas proof and long expectancy life
100% quality tested
Can install LED light
EL Backlight
Technical P
arameters
V max
30V (DC)
I max
100mA
Contact Resistance*
10£[ - 500£[
Insulation Resistance
100m£[ 250V
Dielectric Withstand
250VRms (50-60 HzTmin)
Contact Bounce
¡Ø5ms
Switch Stroke
0.1 ~ 1.2mm
Operating Temperature
-25°C ~ +60°C
Allowable Humidity
95%
Life Expectancy **
Flat Type ¡Ù five million closures
Tactile Type ¡Ù one million closures
* Depending on trace length and materials used.
* Different structures or materials will affect different life expectancy.
copyright ©2001 Tatt Shing Metal Work Manufactory