Transparent Window Flat LED Membrane Switch Keyboard with 0.5mm Wire Resistance and -40℃ to 70℃ Operating Temperature
Professional matte finish PC PET membrane switch keyboard with LED backlight and phosphor powder printing. Features multiple switch types including embossed tactile with metal domes, working voltage <50V DC, and insulation resistance >100MΩ. ISO 9001 certified manufacturing with RoHS compliance and custom design options available.
Transparent window flat LED membrane switch keyboard featuring matte finish PC PET material with integrated backlight illumination. This professional-grade membrane switch incorporates phosphor powder printing on buttons for enhanced visibility and durability.
| Parameter | Specification |
|---|---|
| Wire Resistance | 0.5mm width, <1Ω/cm |
| Rated Current | 25-100mA, 0-30V DC |
| Insulation Resistance | >100MΩ 250V DC |
| Working Voltage | <50V DC |
| Non-tactile Switch | 0.1-0.4mm |
| Tactile Switch | 0.4-1.0mm |
| Working Temperature | -40℃ ~ 70℃ |
| Working Humidity | 40℃, 98%RH No influence |
| Substrate Voltage | 1500V DC |
| Feedback Time | 10ms |
| Tail Folding | R>1,18 |
- Overlay Materials: Polyester and polycarbonate base materials
- Rear Adhesive: 3M 467MP, 3M 468MP options
- Standard Tolerances: +/- 0.010 inch precision
- Color Matching: Pantone and RAL color matching system
- Switch Types: Embossed tactile with metal dome and phosphor powder, tactile with stainless steel domes, or tactile with poly domes on circuit
- Custom tail, pin and circuit layouts available per customer requirements
Nanjing Zhongshan Membrane Switch brings over 13 years of industry expertise since 2002. Our ISO 9001:2000-certified facility spans 3,000 square meters with three production lines capable of manufacturing up to 6 million pieces monthly. All products comply with RoHS Directive requirements and undergo strict quality supervision.
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