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This gearmotor is a miniature medium-power, 6 V brushed DC motor with a 75.81:1 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. This version also has a 4.5 × 1 mm extended motor shaft.
Key specs at 6 V: 290 RPM and 40 mA with no load, 17 oz-in (1.2 kg-cm) and 0.7 A at stall.
|DC motor power||MP|
|Shaft diameter||3 mm|
|Obustronny wał silnika||Tak|
|Power supply voltage||6V|
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).
Note: Stalling or overloading gearmotors can greatly decrease their lifetimes and even result in immediate damage. The recommended upper limit for instantaneous torque is 35 oz-in (2.5 kg-cm) for the 1000:1 gearboxes and 25 oz-in (2 kg*cm) for all the other gear ratios; . Stalls can also result in rapid (potentially on the order of seconds) thermal damage to the motor windings and brushes, especially for the versions that use high-power (HP and HPCB) motors; a general recommendation for brushed DC motor operation is 25% or less of the stall current.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 magnetic encoder 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. Please see the micro metal gearmotor comparison table for detailed specifications of all our micro metal gearmotors. This dynamically-sortable table can help you find the gearmotor that offers the best blend of speed, torque, and current-draw for your particular application. A more basic comparison table is available below.
@ Rated Voltage
@ Rated Voltage
@ Rated Voltage
(Gearbox & Motor)
|800 mA||6000 RPM||2 oz-in||5:1 HPCB 12V||5:1 HPCB 12V dual-shaft|
|3000 RPM||4 oz-in||10:1 HPCB 12V||10:1 HPCB 12V dual-shaft|
|1000 RPM||9 oz-in||30:1 HPCB 12V||30:1 HPCB 12V dual-shaft|
|625 RPM||15 oz-in||50:1 HPCB 12V||50:1 HPCB 12V dual-shaft|
|400 RPM||22 oz-in||75:1 HPCB 12V||75:1 HPCB 12V dual-shaft|
|320 RPM||30 oz-in||100:1 HPCB 12V||100:1 HPCB 12V dual-shaft|
|200 RPM||40 oz-in||150:1 HPCB 12V||150:1 HPCB 12V dual-shaft|
|140 RPM||50 oz-in||210:1 HPCB 12V||210:1 HPCB 12V dual-shaft|
|120 RPM||60 oz-in||250:1 HPCB 12V||250:1 HPCB 12V dual-shaft|
|100 RPM||70 oz-in||298:1 HPCB 12V||298:1 HPCB 12V dual-shaft|
|32 RPM||125 oz-in||1000:1 HPCB 12V||1000:1 HPCB 12V dual-shaft|
|1600 mA||6000 RPM||2 oz-in||5:1 HPCB 6V||5:1 HPCB 6V dual-shaft|
|3000 RPM||4 oz-in||10:1 HPCB 6V||10:1 HPCB 6V dual-shaft|
|1000 RPM||9 oz-in||30:1 HPCB 6V||30:1 HPCB 6V dual-shaft|
|625 RPM||15 oz-in||50:1 HPCB 6V||50:1 HPCB 6V dual-shaft|
|400 RPM||22 oz-in||75:1 HPCB 6V||75:1 HPCB 6V dual-shaft|
|320 RPM||30 oz-in||100:1 HPCB 6V||100:1 HPCB 6V dual-shaft|
|200 RPM||40 oz-in||150:1 HPCB 6V||150:1 HPCB 6V dual-shaft|
|140 RPM||50 oz-in||210:1 HPCB 6V||210:1 HPCB 6V dual-shaft|
|120 RPM||60 oz-in||250:1 HPCB 6V||250:1 HPCB 6V dual-shaft|
|100 RPM||70 oz-in||298:1 HPCB 6V||298:1 HPCB 6V dual-shaft|
|32 RPM||125 oz-in||1000:1 HPCB 6V||1000:1 HPCB 6V dual-shaft|
(same specs as
6V HPCB above)
|1600 mA||6000 RPM||2 oz-in||5:1 HP 6V||5:1 HP 6V dual-shaft|
|3000 RPM||4 oz-in||10:1 HP 6V||10:1 HP 6V dual-shaft|
|1000 RPM||9 oz-in||30:1 HP 6V||30:1 HP 6V dual-shaft|
|625 RPM||15 oz-in||50:1 HP 6V||50:1 HP 6V dual-shaft|
|400 RPM||22 oz-in||75:1 HP 6V||75:1 HP 6V dual-shaft|
|320 RPM||30 oz-in||100:1 HP 6V||100:1 HP 6V dual-shaft|
|200 RPM||40 oz-in||150:1 HP 6V||150:1 HP 6V dual-shaft|
|140 RPM||50 oz-in||210:1 HP 6V||210:1 HP 6V dual-shaft|
|120 RPM||60 oz-in||250:1 HP 6V||250:1 HP 6V dual-shaft|
|100 RPM||70 oz-in||298:1 HP 6V||298:1 HP 6V dual-shaft|
|32 RPM||125 oz-in||1000:1 HP 6V||1000:1 HP 6V dual-shaft|
|700 mA||4400 RPM||1.5 oz-in||5:1 MP 6V dual-shaft|
|2200 RPM||3 oz-in||10:1 MP 6V||10:1 MP 6V dual-shaft|
|730 RPM||8 oz-in||30:1 MP 6V||30:1 MP 6V dual-shaft|
|420 RPM||12 oz-in||50:1 MP 6V||50:1 MP 6V dual-shaft|
|290 RPM||17 oz-in||75:1 MP 6V||75:1 MP 6V dual-shaft|
|220 RPM||21 oz-in||100:1 MP 6V||100:1 MP 6V dual-shaft|
|150 RPM||28 oz-in||150:1 MP 6V||150:1 MP 6V dual-shaft|
|100 RPM||36 oz-in||210:1 MP 6V dual-shaft|
|90 RPM||41 oz-in||250:1 MP 6V dual-shaft|
|75 RPM||46 oz-in||298:1 MP 6V||298:1 MP 6V dual-shaft|
|22 RPM||80 oz-in||1000:1 MP 6V||1000:1 MP 6V dual-shaft|
|360 mA||2500 RPM||1 oz-in||5:1 LP 6V||5:1 LP 6V dual-shaft|
|1300 RPM||2 oz-in||10:1 LP 6V||10:1 LP 6V dual-shaft|
|440 RPM||4 oz-in||30:1 LP 6V||30:1 LP 6V dual-shaft|
|250 RPM||7 oz-in||50:1 LP 6V||50:1 LP 6V dual-shaft|
|170 RPM||9 oz-in||75:1 LP 6V||75:1 LP 6V dual-shaft|
|120 RPM||12 oz-in||100:1 LP 6V||100:1 LP 6V dual-shaft|
|85 RPM||17 oz-in||150:1 LP 6V||150:1 LP 6V dual-shaft|
|60 RPM||27 oz-in||210:1 LP 6V||210:1 LP 6V dual-shaft|
|50 RPM||32 oz-in||250:1 LP 6V||250:1 LP 6V dual-shaft|
|45 RPM||40 oz-in||298:1 LP 6V||298:1 LP 6V dual-shaft|
|14 RPM||70 oz-in||1000:1 LP 6V||1000:1 LP 6V dual-shaft|
In general, these kinds of motors can run at voltages above and below their nominal voltages; lower voltages might not be practical, and higher voltages could start negatively affecting the life of the motor.
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.
|Size:||10 × 12 × 26 mm1|
|Shaft diameter:||3 mm2|
|Free-run speed @ 6V:||290 rpm|
|Free-run current @ 6V:||40 mA|
|Stall current @ 6V:||700 mA|
|Stall torque @ 6V:||17 oz·in|
|Extended motor shaft?:||Y|
|Motor type:||0.7A stall @ 6V (MP 6V)|