PMMA Panel Lens Deadfront Backlit Capacitive Membrane Switch Keypad
Key Specifications/Special Features:
Features:
Overlay material: matte PC (smooth), gloss PC + matte oil, glossy
PC, PET (EBA/EBG), PVC
Thickness: 0.05-1.0mm
Embossed keys: no embossed keys and domes, domes without embossed
keys, embossed keys without domes, embossed keys and domes
Adhesive: 3M9448, 3M9080, 3M467, 3M468 or no adhesive
Standard tolerances: +/-.010 inch
Matching color: Pantone and RAL color matching system
Circuit material option: PET with silver printing, flex PCB, rigid
PCB
Tail, pin and circuit layout: subject to customers detailed
requests
Custom membrane keyboards with flexible cable and connectors,
female/male connectors, solder pins, and heat seal connectors are
available
Electrical
Operating voltage: 0-35V DC
Operating current: 100mA max
Operating contact resistance: less than 100 ohms typical
Contact bounce: less than 5 milliseconds typical
Conductors: printed silver conductive inks or carbon blend
RFI and ESD shielding: available in most configurations
Environmental
Operation temperature flat/metal dome: -40°C to +80°C
Poly dome: -20°C to +55°C
Storage temperature flat/metal dome: -40°C to +85°C
Poly dome: -40°C to +60°C
Humidity 40°C, 90% - 95% for 240 hours
| Name | Membrane keyboard |
| Material | Polyester (PET) or polycarbonate (PC) |
| Thickness | .007" to .010" |
| Embossing | Rim embossing and pillow embossing |
| Window | Transparent and dead front display windows for viewing LCD and LED
displays |
| Tactile feedback | 1. Stainless steel domes range from 8-12mm 2. Poly domes are embossed onto a polyester layer or circuitry |
| Shielding | Shielding from EMI/RFI can be accomplished by a layer of metalized
polyester or by screening a layer of selective graphite ink |
| Backlighting | LED light and EL |
| Panel cutouts | Die cut holes and access for mechanical switches may be
incorporated into membrane switch designs |
| Back-plates and printed circuit boards | Available as a finished assembly with Douglas membrane switches |
| Parameters | Electrical 1. Operating voltages: 0-35V DC 2. Operating current: 100mA max 3. Operating contact resistance: less than 100 Ohms typical 4. Contact bounce: less than 5 milliseconds typical 5. Conductors: printed silver conductive inks or carbon blend RFI
and ESD shielding: available in most configurations Mechanical 1. Life expectancy: 1,000,000 actuations per switch position 2. Actuation force: 6-24 ounces (170-680g), range depends on
customer specification 3. Switch travel: .005" to .030" (0.1-0.8mm) typical 4. Overall thickness: .020" to .050" (0.5-1.3mm) typical Environmental 1. Storage temperature: -40°C (-40°F) to 70°C (158°F) 2. Storage altitude: sea level to 35,000 feet 3. Operating temperature and altitude: -30°C (-30°F) to 75°C
(170°F) Can be designed to operate in most environments 4. Humidity: no delamination after 24 hours at 80°C and 90% RH |
Shipping Information:
· FOB Port: Shen Zhen, Hong Kong
· Lead Time:15 - 35 days
Main Export Markets:
· Asia
· Australasia
· Central/South America
· Eastern Europe
· Mid East/Africa
· North America
· Western Europe
Primary Competitive Advantages:
· Origin
· Distributorships Offered
· Experienced Staff
· Green Product
· Packaging
· Price
· Product Features
· Product Performance
· Prompt Delivery
· Quality Approvals
· Service
· Small Orders Accepted
Our Advantage
- R&D Support --- 15+ years expert engineer team, High & New Tech Enterprise
approved by China government
- Jumbo Size accepted --- 1.2mm (biggest)
- Bulk Order Production Capacity --- Full automatic producing machines, 10,000㎡ plant, 500+ workers
- Quality --- ISO9001&14001 certificated, 1000 Level dust-free plants,
self-test standard same as Rohs, Size ISO 14405, Tolerancing ISO
8015, Design FMEA
- Competitive Prices --- automated working, self-produce part of raw materials, Stable
supplier system, scientific producing management, effective quality
control
- Supplying for Well-known Enterprises --- Samsung, Vivo, Fujitsu, Vaillant, Bosch, Startrac, Mattel,
Julabo, Toshiba
Welcome to write to us free.
