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380:1 Micro Metal Gearmotor HPCB 12V with Extended Motor Shaft

Product Code: Pololu #4799

380:1 Micro Metal Gearmotor HPCB 12V with Extended Motor Shaft
380:1 Micro Metal Gearmotor HPCB 12V with Extended Motor Shaft
380:1 Micro Metal Gearmotor HPCB 12V with Extended Motor Shaft
380:1 Micro Metal Gearmotor HPCB 12V with Extended Motor Shaft

₹1,879.00
GST inclusive



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Availability: 5 In Stock


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These tiny brushed DC gearmotors are available in a wide range of gear ratios—from 5:1 up to 1000:1—and with five different motors: high-power 6 V and 12 V motors with long-life carbon brushes (HPCB), and high-power (HP), medium power (MP), and low power (LP) 6 V motors with shorter-life precious metal brushes. The 6 V and 12 V HPCB motors offer the same performance at their respective nominal voltages, just with the 12 V motor drawing half the current of the 6 V motor. The 6 V HPCB and 6 V HP motors are identical except for their brushes, which only affect the lifetime of the motor.

The HPCB versions (shown on the left in the picture below) can be differentiated from versions with precious metal brushes (shown on the right) by their copper-colored terminals. Note that the HPCB terminals are 0.5 mm wider than those on the other micro metal gearmotor versions (2 mm vs. 1.5 mm), and they are about 1 mm closer together (6 mm vs. 7 mm).

Versions of these gearmotors are also available with an additional 1 mm-diameter output shaft that protrudes from the rear of the motor. This 4.5 mm-long rear shaft rotates at the same speed as the input to the gearbox and offers a way to add an encoder, such as our encoders for micro metal gearmotors (see the picture on the right), to provide motor speed or position feedback.

With the exception of the 1000:1 gear ratio versions, all of the micro metal gearmotors have the same physical dimensions, so one version can be easily swapped for another if your design requirements change.

Specification

Dimensions

Size: 10 × 12 × 26 mm1
Weight: 9.5 g
Shaft diameter: 3 mm2

General specifications

Gear ratio: 379.17:1
No-load speed @ 12V: 85 rpm
No-load current @ 12V: 0.06 A
Stall current @ 12V: 0.75 A
Stall torque @ 12V: 5.0 kg·cm
Max output power @ 12V: 1.1 W
No-load speed @ 6V: 43 rpm3
No-load current @ 6V: 0.05 A3
Stall current @ 6V: 0.38 A3
Stall torque @ 6V: 2.5 kg·cm3
Extended motor shaft?: Y
Long-life carbon brushes?: Y
Motor type: 0.75A stall @ 12V (HPCB 12V - carbon brush)

Performance at maximum efficiency

Max efficiency @ 12V: 31 %
Speed at max efficiency: 67 rpm
Torque at max efficiency: 1.1 kg·cm
Current at max efficiency: 0.20 A
Output power at max efficiency: 0.75 W

Notes:

  • Output shafts add 14 mm to the 26 mm length.
  • D shaft.
  • This motor will run at 6 V but is intended for operation at 12 V.

 

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