Product Description Stepping accuracy...5% Temperature rise...80 Max Ambient temperature...-20 C-+ 50 C Insulation resistance...100M© Min 500VDC Dielectric strength...500V AC 1minute Allowable radial load...0.06mm Max ( 450g load) Allowable thrust load...0.08mm Max ( 450g load) Product Specification/ Models DV57HB41-02 step angle: 1.8deg length: 41mm shaft diameter: 6.35mm rated voltage: 2.8V current: 2.0A resistance: 1.4ohm inductance: 1.4mH holding torque: 0.39N.m number of leads: 6 net weight: 0.5Kg DV57HB51-03 step angle: 1.8deg length: 51mm shaft diameter: 6.35mm rated voltage: 2.2V current: 3.0A resistance: 0.74ohm inductance: 0.9mH holding torque: 0.72N.m number of leads: 6 net weight: 0.65Kg DV57HB56-03 step angle: 1.8deg length: 56mm shaft diameter: 6.35mm rated voltage: 2.3V current: 3.0A resistance: 0.75ohm inductance: 1.1mH holding torque: 0.9N.m number of leads: 6 net weight: 0.7Kg DV57HB76-03 step angle: 1.8deg length: 76mm shaft diameter: 6.35mm rated voltage: 3V current: 3.0A resistance: 1.0ohm inductance: 1.6mH holding torque: 1.35N.m number of leads: 6 net weight: 1.0Kg