NEMA17 Stepper Motor - 40mm

SKU: VJT0253

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Stepper motors draw power to hold their current position even if they are not turning, so they tend to be power-hungry. They are best suited for being driven off a power supply rather than batteries unless you are using batteries with some serious current capability.

Bipolar stepper motors require two full H-Bridges to drive them unlike unipolar steppers so they are best paired with a good bipolar driver to drive them. These drivers have active current limiting built-in and allow for the motors to be driven from voltages much higher than their rated voltage (2V in this case) which gives improved performance.

Technical Specification:

  • Step Angle: 1.8°
  • Number of Phase: 2
  • Rated Voltage: 2.5-3.0V
  • Rated Current: 1.6A
  • Resistance per phase: 1.6E
  • Inductance per phase: 3mH
  • Holding Torque: 4.2 kgcm
  • Length without shaft: 40mm
  • Shaft Length: 23mm
  • Shaft Dia : 5mm
  • Shaft Lenght : D-shaft
  • Size: 42mm*42mm*48mm (L*W*H)


  • Provides good starting, stopping and reversing
  • Can be drived easily with an motor shield for Arduino 
  • Low speed with high precision


  • D Printers
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