298:1 Micro Metal Gearmotor MP 6V with Extended Motor Shaft
298:1 Micro Metal Gearmotor MP 6V with Extended Motor Shaft
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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 can be differentiated from versions with precious metal brushes 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, 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.
Dimensions
Size: | 10 × 12 × 26 mm1 |
---|---|
Weight: | 9.5 g |
Shaft diameter: | 3 mm2 |
General specifications
Gear ratio: | 297.92:1 |
---|---|
No-load speed @ 6V: | 73 rpm |
No-load current @ 6V: | 0.04 A |
Stall current @ 6V: | 0.67 A |
Stall torque @ 6V: | 2.4 kg·cm |
Max output power @ 6V: | 0.44 W |
Extended motor shaft?: | Y |
Motor type: | 0.67A stall @ 6V (MP 6V) |
Performance at maximum efficiency
Max efficiency @ 6V: | 29 % |
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Speed at max efficiency: | 56 rpm |
Torque at max efficiency: | 0.50 kg·cm |
Current at max efficiency: | 0.17 A |
Output power at max efficiency: | 0.29 W |
Notes:
- Output shafts add 14 mm to the 26 mm length.
- D shaft.
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