Metal Dome Membrane Switches
Bx-Panel’s metal dome membrane switches combine advanced multi-layer film structures with stainless steel snap domes, delivering crisp tactile feedback and reliable performance for demanding HMI applications.
100% Custom Layout
IP67 Waterproof
1 Million+ Cycles
LED Backlit Options
Crisp Tactile Feedback
EMI/ESD Shielding
| Electrical Specifications | Mechanical Specifications | ||
|---|---|---|---|
| Working Voltage | ≤ 50V (DC) | Reliability Life | 1 Million+ Cycles |
| Working Current | ≤ 100mA | Rebound Time | ≤ 6ms |
| Contact Resist. | 0.5 ~ 10Ω | Actuation Travel | 0.1 ~ 1.0mm |
| Insulation Resist. | ≥ 100MΩ (100V) | Withstand Voltage | 2KV (DC) |
| Insulation Volt. | 100V (DC) | Cond. Migration | ≤ 10MΩ (55°C, 56h) |
| Environmental & Material Specs | |||
| Working Temp | -20°C ~ +70°C | Materials | PET, PC, PMMA, Metal |
| Storage Temp | -40°C ~ +85°C | Adhesive | 3M, Nitto, Tesa |
| Color System | Pantone, RAL | Printing Tech | Screen, Digital, UV |
| Epoxy Thickness | 0.1 ~ 0.5mm | Customization | Fully Supported |
Metal Dome Membrane Switch Applications
Medical Equipment
Delivers unmistakable tactile feedback, ensuring accurate input even through thick medical gloves. The sealed surface supports rigorous chemical sterilization.
Industrial Control
Provides distinct tactile feedback to confirm actuation in noisy factory settings. Built with stainless-steel domes rated for 1 million+ operations.
Smart Home
Combines a premium tactile feel with a low-profile design. Ideal for smart appliances and white goods requiring reliable, high-frequency daily operation.
Automotive
Engineered to resist continuous road vibration and extreme cabin temperatures (-20°C to +70°C). Ensures stable circuit control for interior dashboards.
Secure Export Packaging & Global Delivery
100% Final Inspection
Final Quality Check
Global Dispatch
Flexible Trade Terms
Frequently Asked Questions
Can we customize the actuation force (tactile feel) of the metal domes?
A: Yes. We offer a variety of stainless steel snap domes with different actuation forces, typically ranging from 150g to 400g or more. We can help you select the right dome size, shape (round, cross, or triangle), and force based on whether your end-users will operate the panel with bare hands or heavy industrial gloves.
Do we need graphic overlay embossing if we use metal domes?
A: While not strictly required, combining graphic overlay embossing (such as rim or pillow embossing) with internal metal domes is highly recommended. The embossed overlay guides the user’s finger to the exact center of the key, while the underlying metal dome delivers the crisp mechanical “snap” feedback, maximizing both accuracy and ergonomics.
Can you integrate LED backlighting with metal dome membrane switches?
A: Absolutely. We can embed low-profile SMD LEDs directly into the flexible circuit layer. Our engineering team designs the routing and isolation layers precisely to ensure the LEDs illuminate the indicator windows evenly, without interfering with the mechanical actuation of the metal domes.
Will the metal domes lose their "snap" or tactile feel over time?
A: No. We exclusively use premium-grade stainless steel domes engineered for high-cycle applications. When properly designed and actuated within normal parameters, our metal dome membrane switches are rated for over 1 million operations without losing their crisp tactile feedback or electrical reliability.
What happens if the control panel is exposed to heavy dust or water?
A: Metal dome membrane switches are inherently well-suited for harsh environments. By utilizing high-performance adhesives (like 3M or Nitto) and employing strict edge-sealing manufacturing processes, we can achieve an IP67 rating, effectively protecting the internal domes and circuits from water, dust, and chemical ingress.