This gearmotor is a miniature (26mm x 12mm x 10mm), high-quality, low-current motor with 50:1 metal gearbox, similar to Sanyo’s popular 12 mm gearmotors. These units have a 9mm long, D-shaped output shaft.
Key specs at 6 V: 250 RPM and 40 mA free-run, 0.4 kg-cm and 360 mA stall.
Micro motor + Gearbox dimensions (units in mm).
Motor + Gearbox Selection Table
| Motor-gearbox |
gear ratio |
free-run RPM |
free-run current |
stall current |
stall torque* (kg-cm) |
weight (g) |
| 30:1 Micro |
30:1 |
440 |
40 mA |
360 mA |
0.3 |
10 |
| 50:1 Micro |
50:1 |
250 |
40 mA |
360 mA |
0.4 |
10 |
| 100:1 Micro |
100:1 |
120 |
40 mA |
360 mA |
0.7 |
10 |
| 50:1 Micro HP |
50:1 |
625 |
100 mA |
1600 mA |
1.0 |
10 |
* The stall torque should only be considered a rough estimate.
