This hybrid stepping motor can be used as a unipolar or bipolar stepper motor and has a 1.8° step angle (200 steps/revolution). Each phase draws 1200 mA at 4 V, allowing for a holding torque of 3.17 kg-cm (44 oz-in). The motor has six color-coded wires terminated with bare leads.
The 5mm universal mounting hub can be used to mount objects on the stepper motor’s 5mm-diameter output shaft.
- Size: 42.3 mm square x 48 mm, not including the shaft (NEMA 17)
- Weight: 350 g (13 oz)
- Shaft diameter: 5 mm “D”
- Steps per revolution: 200
- Current rating: 1200 mA per coil
- Voltage rating: 4 V
- Resistance: 3.3 Ohm per coil
- Holding torque: 3.17 kg-cm (44 oz-in)
- Inductance: 2.8 mH per coil
- Lead length: 12 in
This stepper motor can be controlled by unipolar or bipolar stepper motor drivers. When used with a unipolar stepper motor driver, all six leads are used. When used with a bipolar stepper motor driver, the center-tap yellow and white wires can be left disconnected (the red-blue pair gives access to one coil and the black-green pair gives access to the other coil). We recommend using this as a bipolar stepper motor if you have a bipolar driver.
The following diagram shows the stepper motor dimensions in mm. The dimension labeled “length” is 48 mm. The output shaft has a length of 24 mm and a diameter of 5 mm. Though not shown in the diagram, the output is a D-shaft with a section that is flattened by 0.5 mm.
Stepper Motor Applications
Stepper motors are generally used in a variety of applications where precise position control is desirable and the cost or complexity of a feedback control system is unwarranted. Here are a few applications where stepper motors are often found:
- CNC machines
- 3D printer/prototyping machines
- Laser cutters
- Pick and place machines
- Linear actuators
- Hard drives
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