Nema 17 hybrid stepping motor suitable for many 3D printer Reprap machines

2-phase with 4-wire bipolar windings.

General Specification:

Shaft Diameter: 5mm with flat face

Step Angle: 1.8° (200 steps/rev)

Motor Length: 34 mm

Rated Current: 1.2 Amps per phase

Phase Resistance: 1.9 ohms

Phase Inductance: 2.5 mH

Holding Torque: 35 oz-in / 25 N.cm / 2.5 kg.cm

Detent Torque: 2.0 N.cm

Inertia:34 g.cm²

Weight: 230g

Wiring:

Red: A+

Green:A-

Yellow:B+

Blue:B-

or

Black: A+
Green:A-
Red:B+
Blue:B-

Step angle accuracy: ±5%(full step,no load)

Resistance accuracy: ±10%

Inductance accuracy: ±20%

Temperature rise: 80°C Max(rated current,2 phase on)

Ambient temperature: -20° ~ +50°C

Insulation resistance:100MΩ  Min,500VDC

Insultion Strength: 500VAC for one minute