– Type: 2‑phase hybrid stepper motor, NEMA17 frame
– Step angle: 0.9° (±5%), 400 steps/rev
– Rated phase current: 2.5A per phase
– Holding torque: 550 mN·m (5.5 kgf‑cm)
– Body length: 48 mm
– Shaft diameter: 5 mm D‑cut shaft
– Rotor inertia: 84.5 g·cm²
– Insulation resistance: ≥100 MΩ @500VDC
– Dielectric strength: 600V AC / 1min
– Connection: 4‑wire with 4‑pin JST‑XH connector
– Operating temperature:‑20℃ ~ +50℃
