This bipolar nema 17 stepper motor has step angle 0.9deg with 20mm body length, each phase draws 1.2A with holding torque 0.11Nm (15.5oz.in).
Electrical Specification
Part Number: 42HM20-1204S
Step Angle: 0.9deg
Bi/Unipolar: Bipolar
Holding Torque: 0.11Nm(15.5oz.in)
Rated Current/phase: 1.2A
Phase Resistance: 3.0ohms
Inductance: 2.2mH
Driving Voltage: 12-24VDC
Physical Specification
Frame Size: 42x42mm
Body Length: 20mm
Shaft Diameter: Φ5mm
Shaft Length: 20mm
D-cut Length: 16.5mm
Number of Leads: 4
Lead Length: 500mm
Weight: 150g
Motor Connection
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| Electrical Specification | |
| Bipolar/Unipolar | Bipolar |
| Step Angle(°) | 0.9 |
| Holding Torque(Nm) | 0.11 |
| Holding Torque(oz.in) | 15.5 |
| Rated Current(A) | 1.2 |
| Phase Resistance(ohm) | 3.0 |
| Phase Inductance(mH) | 2.2 |
| Physical Specification | |
| Frame Size(mm) | 42x42 |
| Body Length(mm) | 20 |
| Shaft Type | D-cut |
| Shaft Diameter(mm) | 5 |
| Shaft Length(mm) | 20 |
| No. of Leads | 4 |
| Lead Length(mm) | 400 |
| Weight(KG) | 0.14 |
