This bipolar Nema 17 stepper motor with step angle 0.9deg and size 42x42x21mm. It has 4 wires, each phase draws current 1.2.0A, with holding torque 11Ncm (15.6oz.in).

Electrical Specification

• Manufacturer Part Number: 17HM08-1204S

• Motor Type: Bipolar Stepper

• Step Angle: 0.9 deg

• Holding Torque: 11Ncm(15.6oz.in)

• Rated Current/phase: 1.2A

• Voltage: 3.6V

• Phase Resistance: 3.0ohms

• Inductance : 2.2mH ± 20%(1KHz)

Physical Specification

• Frame Size: 42 x 42mm

• Body Length: 21mm

• Shaft Diameter: Φ5mm

• Shaft Length: 17mm

• Number of Leads: 4

• Lead Length: 300mm

• Weight : 150g

Technical Drawing