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Stepper Motor: Bipolar, 200 Steps/Rev, 28x45mm, 4.5V, 670mA

€19.94 *

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  • Pololu
  • EXP-R25-152
  • 1206
  • 8
  • CN
  • 85011099
  • 0.172
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This hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase... more
This hybrid bipolar stepping motor has a 1.8° step angle (200 steps/revolution). Each phase draws 670 mA at 4.5 V, allowing for a holding torque of 950 g-cm (13 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 × 45 mm, not including the shaft (NEMA 11)
  • Weight: 140 g (5 oz)
  • Shaft diameter: 5 mm “D”
  • Steps per revolution: 200
  • Current rating: 670 mA per coil
  • Voltage rating: 4.5 V
  • Resistance: 6.8 Ω per coil
  • Holding torque: 950 g-cm (13 oz-in)
  • Inductance: 4.9 mH per coil
  • Lead length: 30 cm (12″)
  • Output shaft supported by two ball bearings
Stepper Motor Applications
Stepper motors are generally used in a variety of applications where precise position control is desirable and the cost or complexity of a feedback control system is unwarranted. Here are a few applications where stepper motors are often found:
  • Printers
  • CNC machines
  • 3D printer/prototyping machines
  • Laser cutters
  • Pick and place machines
  • Linear actuators
  • Hard drives
Voltage rating (V): 4,5
Holding torque: 9,5
Motor length (mm): 45
NEMA: 11
Current rating (A): 0,67
Shaft: D-Schaft
Leads: 4
Output shaft (mm): 20
Steps: 200
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