This is a NEMA11 28mm ultra-thin pancake stepper motor (micro flat stepping motor), 2-phase bipolar type with 1.8° step angle. With ultra-slim pancake structure and lightweight of only 20g, it is designed for compact equipment with strict height limitation. Extremely low rotor inertia brings fast dynamic response, smooth rotation and high positioning accuracy.

✅ Key Specifications

• Step Angle: 1.8°

• Frame Size: 28mm (NEMA11)

• Phase: 2 Phase, Bipolar

• Rated Current: 0.5A

• Rated Voltage: 1.7V

• Holding Torque: 16 mN.m

• Detent Torque: 2 mN.m

• Phase Resistance: 3.5 Ω

• Phase Inductance: 0.90 mH

• Rotor Inertia: 2 g·cm²

• Number of Leads: 4 leads with PH-4Y connector

• Weight: 0.02 kg

✅ Advantages

• Ultra-thin flat design, space-saving

• Ultra-low inertia, quick response

• Lightweight, small size

• Stable running & low noise

• Standard bipolar drive, easy matching

✅ Application Perfect for SMT feeder, small automation equipment, precision medical instruments, optical devices, lab testing equipment and other micro precision positioning systems.

Certifications: CE, RoHS, ISO Monthly supply capacity: 40,000+ pcs We provide sample test service. Customization for shaft, cable length, connector and mounting structure is acceptable.

Mechanical dimensions