This is the smallest high precision NEMA 8 Stepper motor, it has an integrated Planetary gearbox with a 4.75:1 gear ratio, the resolution reach 0.38° step angle. It's a good solution in applications that need very low rotation speeds and/or lots of torque.
| Manufacturer Part Number | 8HS15-0604S-PG5 |
| Motor Type | Bipolar Stepper |
| Step Angle | 0.38° |
| Holding Torque | 17.1Ncm |
| Rated Current/phase | 0.6A |
| Phase Resistance | 10ohms |
| Recommended Voltage | 12V |
| Inductance | 5.5mH±20%(1KHz) |
| Gearbox Type | Planetary |
| Gear Ratio | 4.75:1 |
| Efficiency | 90% |
| Backlash at No-load | <=1° |
| Max.Permissible Torque | 0.5Nm(70.8oz-in) |
| Moment Permissible Torque | 1Nm(141.6oz-in) |
| Shaft Maximum Axial Load | 5N |
| Shaft Maximum Radial Load | 25N |
| Frame Size | 22 x 22mm |
| Motor Length | 38mm |
| Gearbox Length | 20.5mm |
| Shaft Diameter | Φ6mm |
| Shaft Length | 15mm |
| D-cut Length | 9mm |
| Number of Leads | 4 |
| Lead Length | 300mm |
| Weight | 120g |
| Wire Color | Black | Green | Red | Blue |
| Board Connector | A | C | B | D |
| Make sure the motor connect to a constant current or chopper drive controller before you test motor. Connecting the motor directly to a power supply will destroy the motor. |
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