Nema 8 Stepper Motor Unipolar L=30mm 2Ncm 0.02 deg 0.5A 5.75V with 90:1 Planetary Gearbox
This unipolar Nema 8 stepper motor with 30mm body and 0.5A rated current, integrated a planetary gearbox of 90.25:1 gear ratio.
Electrical Specification
Manufacturer Part Number: 8HS12-0506S-PG90
Motor Type: Unipolar Stepper
Step Angle: 0.02 deg
Holding Torque without Gearbox: 2Ncm(2.83oz.in)
Rated Current/phase: 0.5A
Phase Resistance: 11.5ohms
Voltage: 5.75V
Inductance: 1.7mH ± 20%(1KHz)
Gearbox Specifications
Gearbox Type: Planetary
Gear Ratio: 90.25: 1
Efficiency: 73%
Backlash at No-load: <=1 deg
Max.Permissible Torque: 0.9Nm(127.5oz.in)
Moment Permissible Torque: 2Nm(283.2oz.in)
Shaft Maximum Axial Load: 5N
Shaft Maximum Radial Load: 25N
Physical Specifications
Frame Size: 22 x 22mm
Motor Length: 30mm
Gearbox Length: 30.9mm
Shaft Diameter: Φ6mm
Shaft Length: 15mm
D-cut Length: 9mm
Number of Leads: 6
Lead Length: 300mm
Weight: 300g
Connection
| A+ | O+ | A- | B+ | O- | B- |
| RED | BLK | YEL | BLU | ORG | GRN |
| Gearbox Specification | |
|---|---|
| Backlash at No-load(Max.°) | 1 |
| Efficiency | 73% |
| Gear Ratio | 90.25:1 |
| Gearbox Length(mm) | 30.95 |
| Gearbox Type | Planetary |
| Max. Permissible Torque(Ncm) | 90 |
| Max. Permissible Torque(oz.in) | 127.5 |
| Moment Permissible Torque(Ncm) | 200 / 283.2 |
| Shaft Maximum Axial Load(N) | 5 |
| Shaft Maximum Radial Load(N) | 25 |
| Motor Specification | |
| Inductance(mH) | 1.7 |
| Lead Length(mm) | 300 |
| Motor Nema Size | Nema 8 |
| No. of Lead | 6 |
| Phase Resistance(ohm) | 11.5 |
| Rated Current (A) | 0.5 |
| Shaft Diameter(mm) | 6 |
| Shaft Length(mm) | 15 |
| Bipolar/Unipolar | Unipolar |
| Holding Torque w/o Gearbox(Ncm) | 1.8 |
| Holding Torque w/o Gearbox(oz.in) | 2.5 |
| Motor Length(mm) | 30 |
| Single Shaft/Dual Shaft | Single Shaft |
| Shaft Type | D-Cut |
| Physical Specification | |
| Weight(g) | 100 |
