Electrical characteristics:
Contact rating: Contact circuit rating: 30VDC, 33mA; 10VDC, 100mA
Open circuit resistance: DC250V 100Mohm min
Reverse voltage: 205V/minute
Circuit resistance: 150ohm max.
Switch stroke: 0.15 - 0.2mm
Operation: Momentary
Operating temp: 0 ~ +60C
Storage temp: -25 ~ +75C
Humidity: 95%RH at 25C
Actuations time: 1, 000, 000 for flat keys, over 300, 000 times for metal dome, Over 100, 000 times for mylar dome
Operating force: 100 - 300g
EMI, RFI and ESD shielding
Material of overlay: Polyester (textured) or polycarbonate (matt and glossy)
Transparent and abrasion resistant window
LED & resistor sticked
Multi-color, reverse side printing