Nema 17 Stepper Motor Bipolar L=48mm 44Ncm 0.094 deg 1.68A 2.8V with 19:1 Planetary Gearbox
This Nema 17 stepper motor with 48mm body and 1.68A rated current, integrated a planetary gearbox of 19.19:1 gear ratio. It's suitable for applications that with limited space but need low speed and high torque.
Electrical Specification
Manufacturer Part Number: 17HS19-1684S-PG19
Motor Type: Bipolar Stepper
Step Angle: 0.094 deg
Holding Torque without Gearbox: 44Ncm(62.31oz.in)
Rated Current/phase: 1.68A
Phase Resistance: 1.65ohms
Voltage: 2.8V
Inductance: 2.8mH ± 20%(1KHz)
Gearbox Specifications
Gearbox Type: Planetary
Gear Ratio: 19.19: 1
Efficiency: 81%
Backlash at No-load: <=1 deg
Max.Permissible Torque: 3Nm(425oz.in)
Moment Permissible Torque: 5Nm(708oz.in)
Shaft Maximum Axial Load: 50N
Shaft Maximum Radial Load: 100N
Physical Specifications
Frame Size: 42 x 42mm
Motor Length: 48mm
Gearbox Length: 35mm
Shaft Diameter: Φ8mm
Shaft Length: 20mm
D-cut Length: 15mm
Number of Leads: 4
Lead Length: 500mm
Weight: 560g
Connection
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A+
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A-
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B+
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B-
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Black
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Green
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Red
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Blue
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Resources
Full Datasheet: 17HS19-1684S-PG19.pdf
Torque Curve: 17HS19-1684S-PG19_Torque_Curve.pdf
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| Gearbox Specification | |
|---|---|
| Backlash at No-load(Max.°) | 1 |
| Efficiency | 81% |
| Gear Ratio | 19.2:1 |
| Gearbox Length(mm) | 35 |
| Gearbox Type | Planetary |
| Max. Permissible Torque(Ncm) | 300 |
| Max. Permissible Torque(oz.in) | 424.8 |
| Moment Permissible Torque(Ncm) | 500 / 708.1 |
| Shaft Maximum Axial Load(N) | 50 |
| Shaft Maximum Radial Load(N) | 100 |
| Motor Specification | |
| Inductance(mH) | 3.2 |
| Lead Length(mm) | 500 |
| Motor Nema Size | Nema 17 |
| No. of Lead | 4 |
| Phase Resistance(ohm) | 1.8 |
| Rated Current (A) | 1.68 |
| Shaft Diameter(mm) | 8 |
| Shaft Length(mm) | 20 |
| Bipolar/Unipolar | Bipolar |
| Holding Torque w/o Gearbox(Ncm) | 52 |
| Holding Torque w/o Gearbox(oz.in) | 73.6 |
| Motor Length(mm) | 48 |
| Single Shaft/Dual Shaft | Single Shaft |
| Shaft Type | D-Cut |
| Physical Specification | |
| Weight(g) | 600 |
Hillbilly Inventor – 20 Mar 2015
Perfect solution for an application needing lower speed and lots of torque. Requires less current than nema 23, great for grbl shield where peak current is limited to 2.5 amps per channel (according to what I have read online). Very low backlash in gear train.
