Membrane switch keypad(emboss tactile )
1 material PET
2 rear adhesive 3M
3 type metal dome tactile
4 pass: RoHS
This is a metal dome tactile membrane switch keypad.
1. Overlay Materials: The most commonly used base materials are polyester(PET) and polycarbonate(PC).
2. Rear Adhesive: 3M467MP, 3M468MP, 3M300LSE etc.
3. Matching color: Pantone and RALcolor matching system.
4. Gloss, semi-gloss or matte
5. Metal dome tactile
6. Standard Tolerances: +/- 0.10inch(+/-0.25mm)
7. Performance
A. Electric Parameter
Resistance: <1Ω /cm
Contact current: 25~100mA
Voltage rating: 2~24V
Voltage insulation: 1500V
Voltage endurance: 250V(60Hz/min)
Insulation resistance: 500VDC\500MΩ
B. Physical Parameter
Active force: 0.3~3N
Lifecycle: >1mil. (non-tactile)
Hand speed: ≤ 5ms
Temperature: -40~+70
Humidity: 40, 48h95%
Work altitude: 0-4500M
C. Travel Distance
Non-tactile: 0.1~0.3mm
Tactile: 0.4~1.0mm