Mini Plastic Gearmotors »
120:1 Mini Plastic Gearmotor, Offset 2mm Spline Output
This compact, inexpensive, low-current gearmotor (brushed DC motor with a 120:1 reduction gearbox) is well suited for use in small robots. While intended for operation at 4.5 V, it should run comfortably in the 3 V to 6 V range. The splined output shaft has a crest diameter of 2 mm and is offset from but parallel to the motor shaft. The gearbox is protected by a built-in safety clutch that helps protect the gears from excessive loads.
Key specifications:
| voltage | no-load performance | stall extrapolation |
|---|---|---|
| 4.5 V | 120 RPM, 80 mA | 1.4 kg⋅cm (20 oz⋅in), 800 mA |
Alternatives available with variations in these parameter(s): shaft type no-load speed @ 4.5V extended motor shaft? Select variant…
| Description | Specs (11) | Pictures (6) | Resources (2) | FAQs (1) | On the blog (0) | Distributors (0) |
|---|
Dimensions
| Size: | 36.5 x 20 x 27.4 mm1 |
|---|---|
| Weight: | 19 g |
| Shaft diameter: | 2 mm2 |
General specifications
| Shaft type: | offset 2mm spline |
|---|---|
| Typical operating voltage: | 4.5 V |
| Gear ratio: | 120:1 |
| No-load speed @ 4.5V: | 120 rpm |
| No-load current @ 4.5V: | 80 mA |
| Stall current @ 4.5V: | 800 mA |
| Stall torque @ 4.5V: | 20 oz·in3 |
| Extended motor shaft?: | N |
Notes:
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