The 4-leg SUS Nickle Plating Metal Dome (4-leg tactile metal domes, ccross metal dome) are specifically designed for mounting on single- or double-sided PCBs, flexible circuits, and thin films. Their positive and negative contact traces can be positioned beneath the circuitry on the same side of the switch.
This series offers superior tactile feedback compared to circular and elliptical switches, while boasting a longer service life than triangular switches, with a standard endurance rating of ≥1 million cycles. Under identical diameter, actuation force, and actuation ratio conditions, its dome height exceeds that of other domes, resulting in a relatively higher cost.
Beyond conventional bulk packaging of metal domes, we offer domes arranged in arrays with top adhesive tape. Simply peel off individual domes for direct application to key positions on keyboards, FPCs, or PCBs.
4-leg SUS Nickle Plating Metal Dome Feature
Shape:Cross-shaped
Diameter:5-20mm
Force:125-1000gf
Surface plated:gold, silver, nickle
4-leg SUS Nickle Plating Metal Dome Advantages:
Four foot support: The cross shaped pot piece has four feet for support, ensuring stable pressing and rebound performance, and improving the reliability and durability of the buttons.
High sensitivity: It responds quickly to pressing operations and can quickly complete the operation of conduction or disconnection.
Long lifespan: The design lifespan can typically reach millions of press cycles, making it suitable for applications that require frequent presses.
Low contact resistance: Made of high-quality conductive materials with low contact resistance, ensuring the stability of electrical connections.
Good consistency: Through precision manufacturing processes, ensure the consistency of size and performance of each metal spring.
Obvious tactile feedback: Provide clear tactile feedback when pressed, enhancing the user experience.
Strong durability: Made of corrosion-resistant materials such as stainless steel, it has good resistance to environmental changes and durability.
The working principle of the 4-leg SUS Nickle Plating Metal Dome is that the top dome of the shrapnel is the main interface, and the four legs extending outward are the support. When the main interface is under pressure from the operator, the dome at the center of the main interface contacts the PAD on the circuit, and then forms a circuit with the four legs, resulting in conductivity. Widely used in various fields such as remote controllers, bank U-disks, POS machines, Bluetooth, mobile phones, intercoms, digital cameras, game consoles, point readers, transmitters, measuring instruments, keyboards, etc.
Application Scenarios of Four Leg Series Metal Domes
Membrane Switch Panels
Home appliance control panels, industrial equipment operation panels.
Remote Controls
Televisions, audio systems, multimedia players.
Communication Devices
Intercoms, mobile terminals, POS keyboards.
Medical Equipment
Patient monitors, portable testing instrument key modules.
Automotive Electronics
In-vehicle control panels, headlight adjustment controls, navigation control systems.
High-End Consumer Electronics
Gaming controllers, digital cameras, smart home controllers.
