Benefits:Smooth performance with ± 5% step accuracy, standard ( ± 3% available) Powerful rare earth magnets High torque-to-inertia ratios Laminated stator for optimum step accuracy and low hysteresis Magnetic shielding to minimize flux leakage Primary Application:High performance disk drives Motor Specifications:
Step angle: 0.9°
Step angle accuracy:± 5%²
Holding torque:900 g-cm
Detent torque:72 g-cm
Insulation resistance:100MΩ min. @500 VDC
Dielectric strength:500 Vac for 1 minute
Mechanical Specifications:
Radial play:0.02 mm max (450 g load)
End play: 0.08 mm max (450 g load)
Rotor inertia:17 g-cm²
Weight:200 g
Shaft runout: 0.08 mm max
Rated voltage:Bipolar - 9.2 V -38Ω Unipolar - 14.0 V - 18Ω
