The PHB28Y Series hybrid stepper motors, NEMA 11, 1.8° step angle, ±5% accuracy, 2-phase configuration. Compact, low-inertia design with smooth movement. Shaft radial/axial play ≤0.02/0.08 mm, max temperature rise 80°C, operating from -20°C to 50°C. Insulation ≥100 MΩ, dielectric strength 500 VAC/1 min. Ideal for rotary and linear automation, optical devices, precision machinery, and lead screw-driven positioning systems.