100:1 Metal Gearmotor 20Dx44L mm 12V CB

€21.65 *

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Manufacturer: Pololu
Order number: EXP-R25-912
Manufacturer part number: 3478
Availability: 5
country of origin: CN
HS code: 85011099
Weight (kg): 0.05

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 100:1 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: 140 RPM and 90 mA with no-load, 85 oz-in (6.1 kg-cm) and 1.6 A at stall. Note: the gearbox torque limit is 70 oz-in (5 kg-cm); see detailed description for important product limitations.

Specifications:

Gear ratio: 100:1
Free-run speed @ 12V: 140 rpm
Free-run current @ 12V:90 mA
Stall current @ 12V: 1.6 A
Stall torque @ 12V: 85 oz·in
Free-run speed @ 6V: 70 rpm
Stall current @ 6V: 0.8 A
Stall torque @ 6V: 42 oz·in
Extended motor shaft?:N
Motor type: 1.6A stall @ 12V CB (carbon brush)
Size: 20D × 44L mm
Weight:46 g
Shaft diameter:4 mm