| Parameter | Specification |
|---|---|
| Dome Material | SUS301 Spring Stainless Steel |
| Dome Shape | Triangle / T-Series (three-leg) |
| Dome Size | 4mm - 10mm (customizable) |
| Actuation Force | 100g - 300g (heavier for safety-critical use) |
| Click Ratio | 40% - 60% (definite tactile feedback) |
| Travel Distance | 0.1mm - 0.3mm (high-travel press) |
| Contact Points | 4 points (1 center + 3 vertices) |
| Contact Resistance | ≤ 100mΩ (initial) |
| Insulation Resistance | ≥ 100MΩ @ 500V DC |
| Withstand Voltage | 250V AC / 1 minute (no breakdown) |
| Life Cycle | 500,000+ actuations (medium-duty) |
| PCB Compatibility | Double-sided PCBs, flex circuits, membrane panels |
| Operating Temperature | -20°C to +70°C |
| Storage Temperature | -40°C to +85°C |
| Certifications | RoHS, REACH, IATF 16949, ISO 9001 |
| MOQ & Lead Time | MOQ 10,000 pcs; Samples 7-10 days; Mass 15-20 days |
Applied in 6 Major Industries
Our T-series triangle metal domes power reliable button controls across diverse industries – from automotive hazard lights to medical imaging panels.
Automotive
Hazard & Control Buttons
Electronic Toys
Game Controllers & Toys
Desktop Phones
Office & VoIP Phones
Medical Equipment
Imaging & Diagnostic Panels
Industrial Controls
Start/Stop & Machine Panels
Home Appliances
Microwaves & Smart Home
Technical Drawing of Triangle Snap Dome Switch
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Why Choose Shanyo's Triangle Snap Dome Switch?
Definite Tactile Feedback
The triangle snap dome switch is engineered to deliver a pronounced, high-travel press with a heavier actuation force. This provides operators with unambiguous confirmation of an input, making this snap dome ideal for safety-critical or rarely used controls.
Stable Multi-Point Connection
Featuring four contact points (one central, three at the vertices), this triangle metal dome ensures a highly stable and conductive bridge upon actuation. This reliable electrical performance is a key benefit of choosing this custom metal dome for critical circuits.
Space-Optimized Angular Design
The triangular shape of this snap dome allows it to fit efficiently into corner spaces or unique PCB layouts where a standard round or square dome switch might not be optimal, offering designers greater flexibility.
Excellent Adaptability
Supports wide temperature operation (-20℃~70℃) with good moisture and salt spray resistance, compliant with RoHS environmental requirements.
Durable Construction for Target Applications
While the lifecycle of a triangle snap dome switch may be shorter than a standard circular dome, its 500,000+ cycle rating is more than sufficient for the medium-duty applications it is designed for, ensuring long-term reliability in its niche.
Superior Conductivity
Surface Nickel (Ni) plating primarily enhances corrosion resistance, preventing oxidation that would otherwise increase contact resistance over time. It maintains a stable contact resistance, typically in the range of 100 mΩ to 500 mΩ.
Find Your Application: Versatile by Design
Shanyo's custom triangle snap dome switches can be applied to various industries and specific products.
| Application Category | Typical Products | Description |
|---|---|---|
| Access & Intercom Systems | Building intercoms, residential gate security panels | The definitive click of the triangle snap dome switch provides clear feedback in public or access control devices, ensuring an input is registered. |
| Remote Controls | Lighting system remotes, smart safe remotes, e-bike controllers | This snap dome offers a satisfying, heavier press feel in handheld devices, enhancing the perceived quality and reliability of the remote. |
| Security & Safety Devices | Electronic locks, doorbells, alarm system panic buttons | For buttons that must feel deliberate, the triangle metal dome's distinct actuation is ideal. Its multi-point contact also ensures a reliable circuit in alarm triggers. |
| Digital Accessories | Bluetooth headset controls, dashcam buttons | The compact yet tactile feel of the triangle dome switch is well-suited for consumer electronics accessories that require a positive, space-efficient button. |
| Medical & Weighing Devices | Portable monitors, electronic scales | Devices requiring a deliberate user input benefit from the clear tactile feedback of this custom snap dome, which prevents accidental actuation. |
| Automotive Electronics | Car key fobs, electric vehicle control buttons | The robust construction of the triangle metal dome can withstand the environmental demands of automotive applications while providing a quality feel. |
| Kitchen Appliances | High-end built-in ovens, cooktops, and microwave control panels | Chosen for its premium tactile signature, this snap dome is used in applications where user interface experience is a key differentiator, holding an 8.7% market share in this sector (2024). |
Looking for a T-series triangle metal dome supplier? We also manufacture automotive steering wheel domes, car button snap domes, and dashboard tactile domes for vehicle OEMs. Explore our automotive metal dome range or request a free sample.
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