8.5mm Square J-bend Quiet Tactile Switch for Automotive

2 Pin Quiet Feel Top Actuated Long Life Tactile Switch Supplier

 Typical Specifications 

Operating Force: 400±80gf

Operation life: 100,000 cycles

Full Travel: 0.9±0.3mm

Return Force:20gf Min

Product height: 4.05±0.2mm

 Tact switch schematic 

SMT Mount Mini Soft Touch Push Button Switch

 Advantages of Silicone Handles 

1. Excellent handling feel (tactile feedback)

This is the most significant advantage of silicone over rigid plastics (such as PA66 and POM).

Soft Cushioning: Silicone is elastic, providing a soft contact surface for the fingers when pressed; unlike hard plastic, it does not cause discomfort or dig into the skin. 

For applications requiring frequent operation—such as instrumentation or medical equipment control panels—silicone controls can significantly reduce finger fatigue.

Excellent Tactile Feedback: Silicone possesses inherent compressibility. When combined with an internal metal dome or contact mechanism, it provides the user with a soft yet distinct "click" sensation. 

This offers a more premium and professional feel compared to the harsh mechanical impact sounds associated with rigid plastic components.

2. Noise Reduction and Quiet Operation (Acoustic Advantages)

When a tactile switch snaps back, the impact of the hard plastic base against the housing produces a crisp "click-clack" sound. 

In contrast, a silicone actuator—thanks to its high-damping properties—effectively absorbs impact vibrations, significantly reducing noise during operation.
This serves as a crucial selling point for silent office equipment (such as high-end mice and conferencing systems), 

medical monitoring devices (where avoiding nighttime disturbance to patients is essential), and automotive interiors.

3. Physical protection (dust and impact resistance; does not rely on watertightness)

Dust and Foreign Object Protection: Silicone handles typically feature a "skirt" design; when installed in the housing aperture, the silicone's compressive deformation seals the installation gap. 

Even if the component does not pass immersion testing, it effectively prevents large dust particles, debris, or fine particulates from entering the switch mechanism. 

This protects the contacts from contamination and significantly extends the switch's electrical lifespan in dry, dusty environments—such as control panels for woodworking machinery or knobs on kitchen appliances.

Resistance to excessive pressing force: Silicone possesses elastic deformation capabilities. When an operator applies excessive force (causing over-travel), the silicone handle deforms before the internal metal dome. 

This acts as a buffer, protecting the internal metal dome from being crushed or snapped, thereby enhancing the mechanical durability of the switch.

 Key Features and Advantages  

Superior Tactile Feedback: Features a 0.9mm middle-stroke and a high operating force (up to 4N), providing a distinct, confident click that prevents accidental presses—critical for automotive and industrial control panels.

Exceptional Durability: Rated for up to 100,000 cycles mechanical life, ensuring long-term reliability in high-use applications.

Robust Construction: Operating temperature range of -40°C to +85°C with SPST-NO (Off-Mom) circuitry and a compact 8.3mm x 8.3mm footprint.

Versatile Termination: Available with Gull Wing or J-Bend terminals, supporting standard SMT soldering processes.

Application-Ready: Packaged in Tape & Reel (1,500pcs/reel) for automated assembly.