This nema 11 pancake stepper motors has one ultra thin body 9.5mm and 4 wires, each phase drawing 0.5A current with holding torque 0.016Nm(2.3oz.in). A 0.5 module 16 teeth gear is fixed into the output shaft.
Electrical Specification
Part Number: 28HR09-0504B
Step Angle: 1.8deg
Bi/UnIpolar: Bipolar
Holding Torque: 0.016Nm(2.3oz.in)
Rated Current/phase: 0.5A
Phase Resistance: 3.5ohms
Inductance: 0.9mH
Driving Voltage: 12-24VDC
Physical Specification
Frame Size: Φ28mm
Body Length: 9.5mm
Shaft Diameter: Φ3mm
Shaft Length: 1.55mm
Gear Module: 0.5
Gear Teeth: 16 Teeth
Presssure Angle: 20°
Number of Leads: 4
Lead Length: 75mm
Weight: 30g
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| Electrical Specification | |
| Bipolar/Unipolar | Bipolar |
| Step Angle(°) | 1.8 |
| Holding Torque(Nm) | 0.016 |
| Holding Torque(oz.in) | 2.3 |
| Rated Current(A) | 0.5 |
| Phase Resistance(ohm) | 0.9 |
| Phase Inductance(mH) | 3.8 |
| Physical Specification | |
| Frame Size(mm) | Φ28 |
| Body Length(mm) | 9.5 |
| Shaft Diameter(mm) | 3 |
| Shaft Length(mm) | 1.55 |
| No. of Leads | 4 |
| Lead Length(mm) | 75 |
| Weight(KG) | 0.03 |
