gloss membrane keypad with metal dome inside
1. Material: PET/Lexan with different thickness and finish
2. Button effect: embossing + metal domes respectively for good tactility and perfect feedbacks.
Also we can offer the other options: a. embossing, no metal domes;
b. metal domes, no embossing
c. no embossing, no metal domes (flat type)
3. LEDs can be embedded; Bi-color leds are also available.
4. LCD clear window can be made.
5. Colors for graphics are matched with Pantone No.
6. General structure: Overlay--Spacer under overlay--Fixed layer(if metal domes added)/Top circuit--(Metal domes)--Spacer above lower circuit--Lower circuit --Adhesive
7. Flexible cable for connecting with 2.54mm ptich/1mm pitch/0.5mm pitch
Electrical | Maximum Circuit Rating | 35V(DC),100mA 1W | |
Contact Resistance | 10-500(depending on trace length & material used) | ||
Insulation Resistance | ≥100MΩ at 100V | ||
Dielectric Withstand | 250V ROMs(50-60Hz 1 min) | ||
Contact Bounce | ≤5ms | ||
Life Expectancy | Flat type≥5,000,000 times Tactile type≥1,000,000times | ||
Mechanical | Actuation Force | Flat type | 57 to 284g(2 to 10 OZ) |
Tactile type | 170 to 397g(6 to14 oz) | ||
Switch Stroke | Flat type | 0.1 to 0.5mm | |
Tactile type | 0.6 to 1.5mm | ||
Environmental | Operation Temperature | Flat/Metal dome | -20°C to + 80°C |
Poly dome | -20°C to + 55°C | ||
Storage Temperature | Flat/Metal dome | -40°C to + 80°C | |
Poly dome | -40°C to + 60°C | ||
Humidity | 40°C,90% for 240 hours | ||
Vibration | 20G's max(10-200Hz,MIL-STD202,M204,Condition B) | ||
