Pololu 47:1 Metal Gearmotor 25Dx52L mm LP 6V Low-Power Brushed DC Motor

Pololu 47:1 Metal Gearmotor 25Dx52L mm LP 6V Low-Power Brushed DC Motor

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SKU: PO1585
GTIN: 4060137101632
Category: I-Form
Manufacturers: Pololu
MPN: 1585
Storage Tiers: Maintain

This gearmotor consists of a low-power, 6 V brushed DC motor combined with a 46.85:1 metal spur gearbox. 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 with an integrated encoder PO4825.

These cylindrical brushed DC gearmotors are available in a wide range of gear ratios and with five different motors (two power levels of 6 V motors and three power levels of 12 V motors). The gearmotors all have the same 25 mm diameter case and 4 mm diameter gearbox output shaft, so it is generally easy to swap one version for another if your design requirements change (though the length of the gearbox tends to increase with the gear ratio). Each version is also optionally available with an integrated 48 CPR quadrature encoder.

Note: Stalling or overloading gearmotors can greatly decrease their lifetimes and even result in immediate damage. For these gearboxes, the recommended upper limit for instantaneous torque is 15 kg-cm (200 oz-in); we strongly advise keeping applied loads well under this limit. Stalls can also result in rapid (potentially on the order of a second) thermal damage to the motor windings and brushes, especially for the versions that use high-power (HP) motors; a general recommendation for brushed DC motor operation is 25% or less of the stall current.

Exact gear ratio: 22×22×22×22×24 / 12×10×10×10×10 ≈ 46.85:1

General specifications

Gear ratio: 46.85:1
No-load speed @ 6V: 130 rpm, Typical; ±20%.
No-load current @ 6V: 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 @ 6V: 2A, 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.
Stall torque @ 6V: 4.8 kg·cm
Max output power @ 6V: 1.5 W
Motor type: 2.0A stall @ 6V (LP 6V)
Encoders?: N
Size: 25D x 52L mm, Length measurement is from gearbox face plate to back of motor (it does not include the output shaft or motor terminals).
Weight: 88 g
Shaft diameter: 4 mm, D shaft.

Performance at maximum efficiency

Max efficiency @ 6V: 38 %
Speed at max efficiency: 110 rpm
Torque at max efficiency: 0.69 kg·cm
Current at max efficiency: 0.33 A
Output power at max efficiency: 0.75 W

Storage Tiers:	Maintain
Dimension (mm):	25D
Max Power (W):	1.5
Form/Type:	Low-Power (LP)
Encoder:	Without
Stall Current (A):	2
Stall Torque (kg-cm):	4.8
Rated Voltage (V):	6
Gear Ratio:	47:1
Shaft:	Single
No-Load Speed (RPM):	130
No-Load Current (A):	0.1
Shipping weight:	0,11 kg
Item weight:	0,09 kg
Dimensions ( Length × Width × Height ):	5,20 × 2,50 × 2,50 cm