PC Graphic Overlay
Double sided adhesive layer
Silicone Keypad Layer
Double sided adhesive layer
PET Circuit Layer (Integrated Metal Domes/LEDs/Resistors)
Rear adhesive layer
Electrical Specifications
| Parameter | Specification | Test Standard |
| Operating Voltage | 5-24V DC | IEC 61000 |
| Contact Resistance | ≤100mΩ | MIL-STD-202 |
| Insulation Resistance | ≥100MΩ (500VDC) | IPC-9201 |
| Rated Current | 50mA(LED)/100mA(Switch) | UL 508 |
| Circuit Resistance | s10 | EIA-364-06 |
| Breakdown Voltage | 2500V AC (1 min) | IEC 60112 |
| LED Lifespan | 250,000 hours | IES LM-80 |
Mechanical Properties & Durability
| Item | Specification |
| Key Travel | 0.2-0.6mm (customizable) |
| Actuation Force | 180±50gf(Standard) |
| Operating Life | ≥1,000,000 cycles (Metal Dome) |
| Return Time | s10ms |
| Overlay Hardness | 3H (PC surface,pencil hardness) |
Environmental Resistance
| Test Item | Requirement | Compliance Standard |
| Operating Temperature | -40℃-+85℃ | IEC 60068-2-1/14 |
| IP Rating | IP54 (Dust/Wate Splash Proof) | IEC 60529 |
| Damp Heat | 95% RH, 48h no failure | MIL-STD-810G |
| Salt Spray Test | 48h no corrosion | ASTM B117 |
| Chemical Resistance | Resists alcohol,weak acids,cleaners | ISO 2812-2 |
Optical Performance (Integrated LED)
| Luminance | ≥800mcd (White, 20mA) |
| Colors | Red/Green/Blue/White/Yellow (selectable) |
| Uniformity | >85% (silicone light-guide design) |
| Light Transmission | ≥92% (Laser-Etched PC Overlay) |
1 Triple-Sealed Structure
UV-coated PC overlay resists scratches; laser-cut silicone gasket fully encapsulated PET circuit. Achieves IP54 protection
2 Ultra-Thin Integration
Total thickness 1.5mm. Unified PET circuit with metal domes + LEDs + resistors minimizes failure points.
3 Extreme Environment Reliability
Maintains elasticity at -40°C; no deformation at 85°C. Passes 85°C/85% RH, 500h test.
4 Optimized Tactility & Longevity
Linear force feedback; metal domes rated for 1,000,000 cycles (tested >500,000 cycles)
5 Customization Flexibility
Supports backlit icons/logos; IP67 upgrade; optional EMI shielding layer.
Safety: RoHS 3.0, REACH SVHC, UL 94 V-0 (Flame-Retardant PC)
Warranty: 2 years (Normal operating conditions)
Production Standard: ISO 9001:2015 QMS
Industrial controlpanels, medical devices,outdoor instrumentation, automotive dashboards, smart home interfaces.
Dongguan Zhongman Industrial Co., Ltd.
EN
