78:1 Metal Gearmotor 20Dx43L mm 12V CB

€21.15 *

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Manufacturer: Pololu
Order number: EXP-R25-1000
Manufacturer part number: 3477
Availability: 5
country of origin: CN
HS code: 85011099
Weight (kg): 0.047

These small brushed DC gearmotors can deliver a lot of power for their size. This version has a... more

These small brushed DC gearmotors can deliver a lot of power for their size. This version has a 12V brushed DC motor with long-life carbon brushes combined with a 78.13:1 metal spur gearbox. The gearmotor is cylindrical with a diameter of 20 mm, and the D-shaped output shaft is 4 mm in diameter and extends 18 mm from the face plate of the gearbox.

Key specs at 12 V: 180 RPM and 90 mA with no-load, 5.4 kg-cm and 1.6 A at stall.

Specifications:

Size: 20D × 43L mm
Weight: 45 g
Shaft diameter:4 mm
Gear ratio: 78.125:1
Free-run speed @ 12V: 180 rpm
Free-run current @ 12V: 90 mA
Stall current @ 12V: 1.6 A
Stall torque @ 12V: 5.4 kg-cm
Free-run speed @ 6V: 90 rpm
Stall current @ 6V: 0.8 A
Stall torque @ 6V: 2.7 kg-cm
Extended motor shaft?: N
Motor type: 1.6A stall @ 12V CB (carbon brush)