Electrical Specification ： 
Manufacturer Part Number: 11HY5401-C5X
Motor Type: Bipolar Stepper
Step Angle: 1.8 deg
Holding Torque without Gearbox: 80mN.m
Rated Current/phase: 0.67A
Phase Resistance: 1.6ohms
Voltage: 6.2V
Inductance: 3.2mH ± 20%(1KHz)
 
Physical Specifications : 
Frame Size: 28 x 28mm
Motor Length: 51mm
Gearbox Length:30mm
Shaft Diameter: Φ6mm
Shaft Length: 15mm
Number of Leads: 4
Lead Length: 500mm
Weight: 350g