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: 150ohms max. 5. Switch stroke: 0.15mm-0.2mm. 6. Operation: momentary. 7. Operating temp: 0oC to + 50oC. 8. Storage temp: -25oC to + 75oC. 9. Humidity: 23o plus or minus 2 95%RH. 10. Life time: 500,000 times min. 11. Operating force: 100g-300g.