12 Volt 1.8 Step Angle Bipolar Stepper Motor

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$4.95 ea

174 ship on May. 10


  • Jameco Part no.: 2158531
  • Manufacturer: Shinano Kenshi
  • Manufacturer no.: STP-42D201-37
  • HTS code: 8501103000
  • Electronics Parts Locator
# of units Price
1+ $4.95
10+ $4.49
100+ $3.95

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Stepper Motor

Satisfy all your robotic needs with Jameco's selection of high quality & diverse stepper motors. These simple but very powerful motors deliver smooth motion and a nice holding torque. Choose from tons of options including the 4-Phase 12VDC Unipolar Stepper Motor, and much more.

Specifications:

  • Ball bearings
  • Dielectric strength: 500V, 50Hz/minute
  • Insulation resistance: 100MΩ @ 500 VDC
  • 1.8" lead wires
  • Ambient temp: -10°C to +55°C
  • Use p/n: 161998 for shaft coupler
  • Drive system: Bipolar
  • Rated Voltage: 12VDC
  • Step angle: 1.8 (°5%)
  • Phase resistance: 1.55 Ω
  • Current: 1700mA
  • Phase inductance: 5 mH
  • Detent torque: 163 g-cm
  • Holding torque: 3200 g-cm
  • Mounting hole space: 1.22"
  • Mounting holes: 0.15"
  • Shaft diameter: 0.19"
  • Shaft length: 0.68"
  • Motor diameter: 1.65"
  • Motor depth: 1.49"
  • Weight: 0.60 lbs
  • Screw Mount Dimensions: M3 x 0.5
  • Includes Brass pinion gear, 0.50" Dia., 14 teeth, 2.23 mm pitch

Pin Out

  • A: Pin 1 (brown)
  • A: Pin 2 (orange)
  • B: Pin 3 ( red)
  • B: Pin 4 (yellow)


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Specification Value
Coil TypeBipolar
Voltage Rating12 VDC
Current per Phase1700 mA
Step Angle1.8
Resistance per Phase1.55 Ohm
Inductance per Phase5 mH
Holding Torque3200 g-cm
Shaft Diameter0.19 in.
Shaft Length1.49 in.
Motor Size (Diameter x Length) (inch)1.65 x 1.49
NEMA Frame Size17
Hole Spacing1.22 in.
Mounting Hole0.15 in.
Detent Torque163 g-cm
Weight0.6 lbs.


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