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Description
Pololu 100:1 Micro Metal Gearmotor HPCB 12V 3041This gearmotor is a miniature high power, 12 V brushed DC motor with long life carbon brushes and a 100. 37: 1 metal gearbox. It has a cross section of 10 12 mm, and the D shaped gearbox output shaft is 9 mm long and 3 mm in diameter. Key specifications: voltage no load performance stall extrapolation 12 V 330 RPM, 60 mA 1. 3 kgcm (18 ozin), 0. 75 A Overview These tiny brushed DC gearmotors are available in a wide range of gear ratiosfrom 5: 1 up to
This gearmotor is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 100.37:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.
Key specifications:
| voltage | no-load performance | stall extrapolation |
|---|---|---|
| 12 V | 330 RPM, 60 mA | 1.3 kg⋅cm (18 oz⋅in), 0.75 A |
Overview
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.
Exact gear ratio: (
This gearmotor is a miniature high-power, 12 V brushed DC motor with long-life carbon brushes and a 100.37:1 metal gearbox. It has a cross section of 10 × 12 mm, and the D-shaped gearbox output shaft is 9 mm long and 3 mm in diameter.
Key specifications:
| voltage | no-load performance | stall extrapolation |
|---|---|---|
| 12 V | 330 RPM, 60 mA | 1.3 kg⋅cm (18 oz⋅in), 0.75 A |
Gearmotor Dimensions
In terms of size, these gearmotors are very similar to Sanyo’s popular 12 mm NA4S DC gearmotors, and gearmotors with this form factor are occasionally referred to as N20 motors. The versions with carbon brushes (HPCB) have slightly different terminal and end-cap dimensions than the versions with precious metal brushes, but all of the other dimensions are identical.
Dimensions of versions with carbon brushes (HPCB)
|
Dimensions of the Pololu micro metal gearmotors with carbon brushes (HPCB). Units are mm over [inches]. |
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Dimensions of versions with precious metal brushes (LP, MP, and HP)
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Dimensions of the Pololu micro metal gearmotors with precious metal brushes: low-power (LP), medium-power (MP), and high-power (HP). Units are mm over [inches]. |
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Dimensions
| Size: | 10 × 12 × 26 mm1 |
|---|---|
| Weight: | 9.5 g |
| Shaft diameter: | 3 mm2 |
General specifications
| Gear ratio: | 100.37:1 |
|---|---|
| No-load speed @ 12V: | 330 rpm |
| No-load current @ 12V: | 0.06 A |
| Stall current @ 12V: | 0.75 A |
| Stall torque @ 12V: | 1.3 kg·cm |
| Max output power @ 12V: | 1.1 W |
| No-load speed @ 6V: | 165 rpm3 |
| No-load current @ 6V: | 0.05 A3 |
| Stall current @ 6V: | 0.38 A3 |
| Stall torque @ 6V: | 0.65 kg·cm3 |
| Extended motor shaft?: | N |
| 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: | 260 rpm |
| Torque at max efficiency: | 0.29 kg·cm |
| Current at max efficiency: | 0.21 A |
| Output power at max efficiency: | 0.78 W |
Notes:
- 1) Output shaft adds 9 mm to the 26 mm length.
- 2) D shaft.
- 3) This motor will run at 6 V but is intended for operation at 12 V.
Resources
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
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Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
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