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- Manufacturer: Pololu
- Order number: EXP-R25-888
- Manufacturer part number: 1593
- Availability: 10
- country of origin: CN
- HS code: 85011099
- Weight (kg): 0.02
his compact, inexpensive plastic gearmotor (brushed DC motor with a 180:1 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 gearbox has a 9.7mm-long, 3 mm-diameter D-shaped output shaft that is perpendicular to the motor shaft, and a built-in safety clutch helps protect the gears from excessive loads.
Key specs at 4.5V: 80 RPM and 80 mA free-run, 30 oz-in (2.2 kg-cm) and 0.8 A stall.
- Size: 54.5 x 20 x 13.8mm
- Weight: 19.5g
- Shaft diameter: 3 mm
- Shaft type: 90° 3mm D
- Typical operating voltage: 4.5V
- Gear ratio: 180:1
- Free-run speed @ 4.5V: 80 rpm
- Free-run current @ 4.5V: 80 mA
- Stall current @ 4.5V: 800 mA
- Stall torque @ 4.5V: 30 oz·in
- Extended motor shaft?: N