Description
4-wire Nema 17 bipolar stepper motor, 6V 0.8A, with 1.8 degree step angle for smooth motion and a nice holding torque, perfect for many applications.
Specifications
| Electrical Specification | Model | ATO47-0804A |
| Step Angle | 1.8° | |
| Holding Torque | 3.17kg-cm (44oz-in) | |
| Voltage | 6V | |
| Rated Current/phase | 0.8A | |
| Phase Resistance | 7.5Ω | |
| Inductance | 10mH | |
| Rotor Inertia | 68g-cm2 | |
| Physical Specification | Frame Size | 42 x 42mm |
| Length | 47mm | |
| Shaft Diameter | Φ5mm | |
| Shaft Length | 22mm | |
| Motor Leads | 4 | |
| Weight | 0.35kg | |
| Technical Parameters | Step Angle Accuracy | ±5% (full step, no load) |
| Resistance Accuracy | ±10% | |
| Inductance Accuracy | ±20% | |
| Temperature Rise | 80℃ Max. (rated current, 2 phase on) | |
| Ambient Temperature | -10℃~+50℃ | |
| Insulation Resistance | 100MΩ Min. 500VDC | |
| Dielectric Strength | 1Min. 500VAC·5mA | |
| Shaft Radial Play | 0.06Max. 450g | |
| Shaft Axial Play | 0.08Max. 450g | |
| Quality Assurance | Warranty Period | 12 months |
| Certificate | CE, ROHs, ISO/SGS9001 |
Nema 17 Stepper Motor Dimension (Unit=mm)
L1=24mm, Lmax=47mm
Nema 17 Stepper Motor Wiring Diagra Tips: What is phase number of stepper motor
Phase number of stepper motor indicates the winding number inside the motor. At the present, 2-phase, 3-phase, 4-phase and 5-phase stepper motors are common. Due to the difference in motor phase number, there is also difference in stepping angle. In general, the stepping angle of 2-phase motor is 0.9°/1.8°, that of 3-phase 1.2° and that of 5-phase 0.36°/0.72°. If subdivided driver is not available, the requirement of stepping angle is mainly satisfied by relying on choosing the stepper motors of different phases. By contrast, if subdivided driver is available, “the phase number” will become meaningless. At this time, it is only necessary to change subdivision number on the driver to change the stepping angle.
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