Stepper Motor: Bipolar, 200 Steps/Rev, 28x32mm, 3.8V, 670mA

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Manufacturer: Pololu
Order number: EXP-R25-151
Manufacturer part number: 1205
country of origin: CN
HS code: 85011099
Weight (kg): 0.11

This hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase... more

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This hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 670 mA at 3.5 V, allowing for a holding torque of 600 g-cm (8.3 oz-in). The motor has four color-coded wires terminated with bare leads: black and green connect to one coil; red and blue connect to the other. It can be controlled by a pair of suitable H-bridges (one for each coil), but we recommend using a bipolar stepper motor driver.

Our 5mm universal mounting hub can be used to mount objects on the stepper motor’s 5mm-diameter output shaft.

Specifications:

Size: 28 mm square × 32 mm, not including the shaft (NEMA 11)
Weight: 110 g (4 oz)
Shaft diameter: 5 mm “D”
Steps per revolution: 200
Current rating: 670 mA per coil
Voltage rating: 3.8 V
Resistance: 5.6 Ω per coil
Holding torque: 600 g-cm (8.3 oz-in)
Inductance: 4.2 mH per coil
Lead length: 30 cm (12″)
Output shaft supported by two ball bearings

Stepper Motor Applications

Printers
CNC machines
3D printer/prototyping machines
Laser cutters
Pick and place machines
Linear actuators
Hard drives