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This small hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 600 mA at 3.9 V, allowing for a holding torque of 180 g-cm (2.5 oz-in). The motor has four color-coded wires terminated with bare leads: black and green connect to one coil; red and blue connect to the other. It can be controlled by a pair of suitable H-bridges (one for each coil), but we recommend using a bipolar stepper motor driver.
 
Our 4mm universal mounting hub can be used to mount objects on the stepper motor’s 4mm-diameter output shaft.
 
Specifications:
  • Size: 20 mm square × 30 mm, not including the shaft (NEMA 8)
  • Weight: 60 g (2 oz)
  • Shaft diameter: 4 mm “D”
  • Steps per revolution: 200
  • Current rating: 600 mA per coil
  • Voltage rating: 3.9 V
  • Resistance: 6.5 Ω per coil
  • Holding torque: 180 g-cm (2.5 oz-in)
  • Inductance: 1.7 mH per coil
  • Lead length: 30 cm (12″)
  • Output shaft supported by two ball bearings
Stepper Motor Applications:
  • Printers
  • CNC machines
  • 3D printer/prototyping machines
  • Laser cutters
  • Pick and place machines
  • Linear actuators
  • Hard drives