4.2 V Stepper Gear Motor (8 mm)
Model: MD008008-XXX
· Precise Control · High Torque Output · Compact Design · Stable Performance
- Diameter
- 8 mm
- Voltage Range
- 4.2 V
- Reduction Ratio
- 3.6-809
- Max. Transmittable Power
- 0.3 W
- Max. Continuous Torque
- 0.75 Nm
- Max.Torque Range(gf.cm>
- 250-750 gf.cm
- Rated Speed Range
- 15-3361 rpm
- Operating Temperature
- -20…+85℃
Application：
Smart Wearable Devices, Electric Power Tools, Precision Instruments, Personal Care, Automotive Electronics, Aerospace, etc
Gearbox Specifications:
| Bearing | Porous bearing |
|---|---|
| Axial Endplay | ≤ 0.3 mm |
| Radial Loading on Output Shaft | ≤ 2 N |
| Operating Temperature | -20℃ ~ +85℃ |
Parameters：
| Gearbox Stages | 1 | 2 | 3 | 4 |
|---|---|---|---|---|
| Reduction Ratio | 4/5 | 13/19/28 | 47/69/102/152 | 168/249/369/546/809 |
| Max Rated Torque Of Gearbox (gf.cm max) | 250 | 400 | 600 | 750 |
| Max Instant Torque Of Gearbox (gf.cm max) | 500 | 800 | 1200 | 1500 |
| Gearbox Efficiency (%) | 85 | 73 | 62 | 55 |
| Length (mm) | 11.6 | 14.3 | 17 | 19.7 |
| Gear backlash | ≤ 3° | |||
Drawing:
Motor Specifications:
| Motors (Optional) | Stepper motor |
|---|---|
| Voltage (Optional) | 3-12 V |
| Input Speed | ≤ 30,000 rpm |
| Current | 150 mA max |
Performance Data:
| Model | Rated Voltage (VDC) |
Rated Speed (rpm) |
Max Speed (rpm) |
Max. Rated Torque Of Gearbox (gf.cm) | Max Instant Torque Of Gearbox (gf.cm) |
Gear Ratio | Length (L1) (mm) |
Overall Length (L) (mm) |
|---|---|---|---|---|---|---|---|---|
| MD008008-4 | 4.2 | 3361 | 4630 | 250 | 500 | 3.6 | 11.6 | 26.1 |
| MD008008-5 | 4.2 | 2269 | 3125 | 250 | 500 | 5.3 | ||
| MD008008-13 | 4.2 | 934 | 1288 | 400 | 800 | 13.0 | 14.3 | 28.8 |
| MD008008-19 | 4.2 | 630 | 829 | 400 | 800 | 19.2 | ||
| MD008008-28 | 4.2 | 425 | 559 | 400 | 800 | 28.4 | ||
| MD008008-47 | 4.2 | 259 | 335 | 600 | 1200 | 46.7 | 17.0 | 31.5 |
| MD008008-69 | 4.2 | 175 | 226 | 600 | 1200 | 69.1 | ||
| MD008008-102 | 4.2 | 118 | 153 | 600 | 1200 | 102.4 | ||
| MD008008-152 | 4.2 | 80 | 103 | 600 | 1200 | 151.7 | ||
| MD008008-168 | 4.2 | 72 | 91 | 750 | 1500 | 168.0 | 19.7 | 34.2 |
| MD008008-249 | 4.2 | 49 | 62 | 750 | 1500 | 248.8 | ||
| MD008008-369 | 4.2 | 33 | 42 | 750 | 1500 | 368.6 | ||
| MD008008-546 | 4.2 | 22 | 28 | 750 | 1500 | 546.1 | ||
| MD008008-809 | 4.2 | 15 | 19 | 750 | 1500 | 809.1 |
* The above specifications are subject to change without prior notice. They are for reference only and can be customized as required.
