Trackball SM50D


The Sunson Trackball offers precision and durability with an ABS shell and high-strength phenolic resin ball, available in diameters from 19mm to 50mm (black, white, or customizable). With 300N pressure resistance, it’s built for heavy-duty use in industrial, medical, or high-performance applications. Compact yet robust, it delivers smooth, reliable tracking for demanding environments.

Mechanical Properties:

  • Shell material: ABS
  • Trackball material: high-strength phenolic resin
  • Diameter: 19/25/30/36/50mm
  • Color: black, white, customizable
  • Vertical pressure resistance: 300N (30kg)
  • Dimensions vary by model




    • Features:

  • More precise pointer control
  • Feel comfortable
  • Small footprint, smaller hand movement range
  • Support external left, middle and right key functions
  • SESD protection design
  • Industrial grade standard, waterproof, dustproof and explosion-proof
  • Multiple interface options: USB, PS2 port, orthogonal square wave
  • Support EPP software
  • Support customization


    • Electrical Characteristics:

  • Interface: PS2 or USB or serial port, orthogonal square wave
  • Voltage: 3.3V~5.0V±10%
  • Power consumption: ≤1.0W (dynamic), ≤0.2W (static)
  • Resolution standard: default 400DPI, 200-1600DPI adjustable
  • Self-service equipment, medical B-super, industrial control equipment, military industry
  • Working temperature: -30℃~+65℃
  • Storage temperature: -40°C-+75°C
  • Relative humidity: 30~90%
  • Air pressure: 60~106Kpa
  • Protection level: IP65
  • Lifespan: ＞2000000