Solderable 15.2mm Metal Dome | SD-JH1528F-1D-DJ-DN-HJ | 280gf Force, 100K Cycles

Product Overview
This product is a precision metal dome (tactile dome) model SD-JH1528F-1D-DJ-DN-HJ, specifically designed for demanding PCB switch applications. With a core specification of 15.2mm outer diameter, it delivers a clear tactile force of 280gf and offers a mechanical life of 100,000 cycles. The unique 8.0mm x 8.0mm central welding platform ensures exceptional stability and soldering strength on PCBs, making it an ideal component for building reliable tactile switches.

Key Features & Advantages

Accurate and Reliable Tactile Feedback: The driving force of 280±30gf combined with a tactile ratio of 60%±15 provides consistent and clear tactile feedback, enhancing the user operation experience.

Stable Welding Structure: The innovative 8.0mm x 8.0mm central welding platform offers welding area and mechanical strength far exceeding traditional designs, effectively preventing displacement or detachment of the dome under frequent pressing.

Long Service Life: Verified to guarantee over 100,000 normal actuations, meeting the durability requirements of most industrial and consumer electronic products.

Optimized Travel Design: The 0.5mm travel is finely tuned to balance operation feel and component response speed.

Convenient Automated Production: Supports tape-and-reel packaging, fully compatible with fully automatic SMT production lines, significantly improving production efficiency and reducing assembly costs.

Precision Technical Specifications

Product Model: SD-JH1528F-1D-DJ-DN-HJ

Outer Diameter: 15.20mm ±0.05mm

Central Pad Size: 8.0mm x 8.0mm ±0.05mm

Total Height: 0.62mm ±0.05mm

Steel Thickness: 0.08mm

Operating Force: 280gf ±30gf

Tactile Ratio: 60% ±15%

Actuation Travel: 0.5mm ±0.05mm

Mechanical Life: ≥100,000 cycles

Typical Application Scenarios
This product is widely used in electronic devices requiring reliable physical buttons, such as:

Industrial Control: Industrial remote controllers, instrument panels, PLC controllers.

Automotive Electronics: Vehicle central control screens, steering wheel control systems, entertainment system control panels.

Smart Home: Smart security panels, thermostats, high-end appliance control interfaces.

Consumer Electronics: Professional audio equipment, gaming peripherals, communication terminals.