Stepper Motor: Bipolar, 200 Steps/Rev, 20x30mm, 3.9V, 600mA

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Manufacturer: Pololu
Order number: EXP-R25-073
Manufacturer part number: 1204
country of origin: CN
HS code: 85011010
Weight (kg): 0.052

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

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This small hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 600 mA at 3.9 V, allowing for a holding torque of 180 g-cm (2.5 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 4mm universal mounting hub can be used to mount objects on the stepper motor’s 4mm-diameter output shaft.

Specifications:

Size: 20 mm square × 30 mm, not including the shaft (NEMA 8)
Weight: 60 g (2 oz)
Shaft diameter: 4 mm “D”
Steps per revolution: 200
Current rating: 600 mA per coil
Voltage rating: 3.9 V
Resistance: 6.5 Ω per coil
Holding torque: 180 g-cm (2.5 oz-in)
Inductance: 1.7 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

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