Pololu 75:1 Metal Gearmotor 25Dx69L mm MP 12V with 48 CPR Encoder

Pololu 75:1 Metal Gearmotor 25Dx69L mm MP 12V with 48 CPR Encoder

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Delivery time: 6 - 8 Workdays (DE - int. shipments may differ)

SKU: PO4866
GTIN: 4060137058325
Category: I-Form
Manufacturers: Pololu
MPN: 4866
Storage Tiers: Maintain

Description
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This gearmotor consists of a medium-power, 12 V brushed DC motor combined with a 74.83:1 metal spur gearbox, and it has an integrated 48 CPR quadrature encoder on the motor shaft, which provides 3591.84 counts per revolution of the gearbox’s output shaft. The gearmotor is cylindrical, with a diameter just under 25 mm, and the D-shaped output shaft is 4 mm in diameter and extends 12.5 mm from the face plate of the gearbox. This gearmotor is also available without an encoder.

Exact gear ratio: 22×20×22×22×22×23 / 12×12×10×10×10×10 ? 74.83:1

Key specifications:

voltage: 12 V
no-load performance: 100 RPM, 100 mA
stall extrapolation: 8.5 kg?cm (120 oz?in), 1.8 A

Dimensions

Size: 25D x 69L mm (Length measurement is from gearbox face plate to back of encoder cap (it does not include the output shaft))
Weight: 104 g
Shaft diameter: 4 mm(D shaft)

General specifications

Gear ratio: 74.83:1
No-load speed @ 12V: 100 rpm (Typical; ±20%.)
No-load current @ 12V: 0.10 A (Typical, ±50%; no-load current depends on internal friction, which is affected by many factors, including ambient temperature and duration of motor operation.)
Stall current @ 12V: 1.8 A
Stall torque @ 12V: 8.5 kg·cm(Stalling is likely to damage the gearmotor. Stall parameters come from a theoretical extrapolation of performance at loads far from stall. As the motor heats up, as happens as it approaches an actual stall, the stall torque and current decrease.)
Max output power @ 12V: 2.3 W
No-load speed @ 6V: 50 rpm
Stall current @ 6V: 0.90 A
Stall torque @ 6V: 4.3 kg·cm(This motor will run at 6 V but is intended for operation at 12 V.)
Motor type: 12V, 1.8A stall (MP 12V)

Performance at maximum efficiency

Max efficiency @ 12V: 33 %
Speed at max efficiency: 91 rpm
Torque at max efficiency: 1.2 kg·cm
Current at max efficiency: 0.28 A
Output power at max efficiency: 1.1 W

General specifications

Lead length: 8 in(May vary by a few inches.)
Encoders?: Y

Storage Tiers:	Maintain
Dimension (mm):	25D
Max Power (W):	2.3
Form/Type:	Medium-Power (MP)
Encoder:	With
Stall Current (A):	1.8
Stall Torque (kg-cm):	8.5
Rated Voltage (V):	12
Gear Ratio:	75:1
Shaft:	Single
No-Load Speed (RPM):	100
No-Load Current (A):	0.1
Shipping weight:	0,17 kg
Item weight:	0,14 kg
Dimensions ( Length × Width × Height ):	6,90 × 2,50 × 2,50 cm