Stepper Motor: Bipolar, 200 Steps/Rev, 28×32mm, 3.8V, 0.67A/Phase

3.8V stepper motor: lightweight and easy to install

This small Pololu stepper draws 0.67A per phase, allowing for a holding torque of 600 g.cm. Its compact size and light weight allow it to be fitted into any project requiring a stepper motor type device (3D printer, hard drive, linear actuator, etc.).

The motor has 4 wires (2 per phase: black/green; red/blue), all terminated with bare leads. You can control your motor using a pair of H-bridges, although we recommend connecting it to a dedicated stepper motor controller.

Technical specifications of the NEMA 11 hybrid bipolar stepper motor

• Power: 670 mA per phase
• Voltage rating: 3.8V
• Resistance: 5.6Ω per phase
• Insulation resistance: 100 MΩ min.
• Insulation class: B
• Holding torque: 600 g.cm
• Rotor torque: 9 g.cm²
• Inductance: 4.2 mA per phase
• Stepper angle: 1.8°
• 200 steps/revolution
• Output shaft supported by two ball bearings
• Output shaft diameter: 5 mm “D”
• Output shaft length: 20 mm
• Operating temperature: -20 to 50°C
• Dimensions: 28 x 28 x 32 mm (not including the shaft)
• Weight: 110 g