This NEMA17 stepper motor is widely used in the 3D printing community for many 3D printer models.Specifications:Model: Kysan 1124090Rated voltage: 4.2 VHolding torque: 5.5 Kg-cm (54 N-cm, 76.4 Oz/in)Number of phase: 2Current / phase: 1.5 AResistance / phase: 2.8 Ohms +/- 10%Inductance / phase: 4.8 Mh +/- 20%Insulation resistance: 100 Mega-ohms (500 VDC)Operation temperature: -20 deg C to 40 deg CShaft diameter: 5 mm (0.2 in) flattedUpdate [June 23, 2014]: The information of motor dimension, pin-out and torque curve is now provided in the graph.
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