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POLOLU

250:1 Micro Metal Gearmotor LP 6V with Extended Motor Shaft

250:1 Micro Metal Gearmotor LP 6V with Extended Motor Shaft

SKU:Pololu-2207

Regular price Rs. 2,519.00
Regular price Sale price Rs. 2,519.00
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This gearmotor is a miniature low-power, 6 V brushed DC motor with a 248.98:1 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 specifications:

voltage no-load performance stall extrapolation
6 V 54 RPM, 20 mA 1.7 kg⋅cm (24 oz⋅in), 0.36 A

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).

Details for item #2207

Exact gear ratio: 25×34×37×35×3812×10×10×14×10248.98:1">25×34×37×35×3812×10×10×14×10248.98:125×34×37×35×3812×10×10×14×10≈248.98:1

This gearmotor is a miniature low-power, 6 V brushed DC motor with a 248.98:1 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.

Dimensions

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

General specifications

Gear ratio: 248.98:1
No-load speed @ 6V: 54 rpm
No-load current @ 6V: 0.02 A
Stall current @ 6V: 0.36 A
Stall torque @ 6V: 1.7 kg·cm
Max output power @ 6V: 0.23 W
Extended motor shaft?: Y
Motor type: 0.36A stall @ 6V (LP 6V)

Performance at maximum efficiency

Max efficiency @ 6V: 26 %
Speed at max efficiency: 39 rpm
Torque at max efficiency: 0.42 kg·cm
Current at max efficiency: 0.11 A
Output power at max efficiency: 0.17 W

Notes:

1. Output shafts add 14 mm to the 26 mm length.

2. D shaft.

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