NEMA 17 Stepper Motor 20mm: This compact size 42mm NEMA 17 hybrid bipolar stepping motor has a 1.8° step angle(200 steps/revolution) and a ultrthin body length 20mm. Each phase draws current 1.0A, allowing for a strong holding torque of 0.14Nm. This ultrathin NEMA 17 is absolutely an good choice for various extruders and 3D printers.
NEMA 17 Stepper Motor 20mm Specification

- Part Number: 42AI20-1004A
- Step Angle: 1.8deg
- Bipolar/Unipolar: Bipolar
- Holding Torque: 0.14Nm
- Rated Current/phase: 1.0A
- Phase Resistance: 3.5ohms
- Inductance: 4.5mH
- Driving Voltage: 12-24VDC
- Frame Size: 42x42mm
- Body Length: 20mm
- Shaft Diameter: Φ5mm
- Shaft Length: 20mm
- D-cut Length: 16.5mm
- Number of Leads: 4
- Lead Length: 500mm
- Weight: 200g
- Stepper Drive: FLKH2D1228DC
Overall Size

Motor 4 Leads Connection: A+(Black), A-(Green); B+(Red), B-(Blue)
If you need a PDF data sheet, please send the email to: info@frankhumotor.com!
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