1. Embossed overlay (for tactile feel).
2. Mylar dome and metal domes (for tactile feel).
3. UV Hardcoat flat key on surface.
4. EMI, RFI and ESD shielding.
5. Material of overlay: polyester or polycarbonate.
6. Any shape of key.
7. Transparent and abrasion resistant window. 8. Solder pin female connector attachment.
9. LED sticked.
10. Multi-color, reverse side printing.
11. Wide variety of textured overlays including matte gloss overlays.
1. Contact rating: DC 15V DC5mA. 2. Open circuit resistance: DC250V 100Mohm min. 3. Reverse voltage: 205V/minute. 4. Circuit resistance: 150ohm max. 5. Switch stroke: 0.15-0.2mm. 6. Operation: momentary. 7. Operting temp: 0oC ~ +50oC. 8. Storage temp: -25oC ~ +75oC. 9. Humidity: 23oC plus or minus 2 95%RH. 10. Life time: 500,000 times min. 11. Operating force: 100-300g.