Stepper Motor - Bipolar, 10V, 0.5 A/Phase (200 Steps/Rev) 35×28mm
The Stepper Motor - Bipolar, 10V, 0.5 A/Phase (200 Steps/Rev), a NEMA 14-size hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 500 mA at 10 V, allowing for a holding torque of 1 kg-cm (14 oz-in).
The motor has four color-coded wires terminated with bare leads: black and green connect to one coil; red and blue connect to the other. It can be controlled by a pair of suitable H-bridges (one for each coil), but we recommend using a bipolar stepper motor driver.
A 5 mm universal mounting hub can be used to mount objects on the stepper motor’s 5 mm-diameter output shaft.
- Size: 35 mm square × 28 mm, not including the shaft (NEMA 14)
- Weight: 140 g (5 oz)
- Shaft diameter: 5 mm “D”
- Steps per revolution: 200
- Current rating: 500 mA per coil
- Voltage rating: 10 V
- Resistance: 20 Ω per coil
- Holding torque: 1 kg-cm (14 oz-in)
- Inductance: 13.5 mH per coil
- Lead length: 30 cm (12″)
More specifications are available in the datasheet (185k pdf).
The schematic diagram shows the stepper motor dimensions in mm. The dimension labeled “length” is 28 mm. The output D-shaft has a length of 21 mm and a 5 mm diameter 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 (e.g. RepRap)
- Laser cutters
- Pick and place machines
- Linear actuators
- Hard drives
Note: This stepper motor is SOYO part number SY35ST28-0504A.
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