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
| 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 | ≤1Ω | EIA-364-06 |
| Breakdown Voltage | ≥500V AC (1 min) | IEC 60112 |
| LED Lifespan | ≥50,000 hours | IES LM-80 |
| Item | Specification |
| Key Travel | 0.2-0.6mm (customizable) |
| Actuation Force | 180±50gf(Standard) |
| Operating Life | ≥1,000,000 cycles (Metal Dome) |
| Return Time | ≤10ms |
| Overlay Hardness | 3H (PC surface, pencil hardness) |
| Test Item | Requirement | Compliance Standard |
| Operating Temperature | -40℃~+85℃ | IEC 60068-2-1/14 |
| IP Rating | IP54(Dust/Water 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 |
| Luminance :≥800mcd (White, 20mA) |
| Colors :Red/Green/Blue/White/Yellow (selectable) |
| Uniformity :>85% (silicone light-guide design) |
| Light Transmission :≥92% (Laser-Etched PC Overlay) |
| UV-coated PC overlay resists scratches; laser-cut silicone gasket; fullyencapsulated PET circuit. Achieves IP54 protection. |
| Ultra-Thin Integration |
| Total thickness ≤1.5mm.Unified PET circuit with metal domes+LEDs+resistors minimizes failure points. |
| Extreme Environment Reliability |
| Maintains elasticity at -40℃; no deformation at 85C. Passes 85*℃/85% RH, 500h test. |
| Optimized Tactility & Longevity |
| Linear force feedback; metal domes rated for 1,000,000 cycles (tested ≥500,000 cycles). |
| 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 control panels, medical devices, outdoor instrumentation, automotive dashboards, smart home interfaces.
Dongguan Zhongman Industrial Co., Ltd.
EN
