Clearly Superior Technologies
Manufacturer of High Quality Specialty and OEM Trackballs
Made in the
USA
Pc-Trac / Kidtrac Trackball Specifications
Electronics
Assumptions:       Ground benign environment
                    Generic parts, non-Mil graded, plastic packages
Environmental:                          
                    Operating temperature = 5 degrees C to 49 degrees C
                    Nominal humidity (20 to 98%, non-condensing)
Electrical:         
                    USB and PS2 operation: 5V @ 80ma nominal supplied by host
Clearly
Superior
Technologies
Reference Standards met by major components:        MIL-STD-750:1026, MIL-STD-883:1005 JIS C 7021:B-1
Aggregate predicted failure rate:                                       <1 per 1,000,000 operating hours
Switches
Assumptions:        All data from manufacturer's specifications.
Switch type:            Sub-miniature microswitch
Switch Model:        Panasonic G75EVQ
Service Life:           Exceeds 5,000,000 operations
1044 Pioneer Way
Suite F
El Cajon, CA. 92020
Phone:619-579-1762
Fax: 619-579-1764
Mechanical

Assumptions:        Temperature and humidity within the stated electrical limits.

Bearing:
              Bearing type:                        Bushing
              Bearing material:                Dupont Delrin
              Bearing contact surface:   0.044 sq. in.
              Bearing rated load:            5 lb. operating, 20 lb. static
              Lubrication:                          PEFE/PTFE
              Estimated bearing life:      More than 10,000,000 revolutions
              MTBF:                                    42,000 hours at 12 RPM average use speed                                   
              
Hub and Shaft:
              Hub type:                              roller, integral to shaft
              Hub/shaft material:            Nickel-plated brass alloy
              Shaft diameter:                   0.0625