Servo Motor,DC Servo Motor,AC Servo Motor,Servo Motor Controller,Servo Motor Drive,Step Motor,Stepper Motor,Stepping Motor,HB Step Motor,HB Stepper Motor,HB Stepping Motor,High Step Motor,High Stepper Motor,High Stepping Motor,Hybrid Step Motor,Hybrid Stepper Motor,Hybrid Stepping Motor,Micro Step Motor, Micro Stepper Motor, Micro Stepping Motor,Step Motor Driver, Stepper Motor Driver, Stepping Motor Driver LtemTechnical ParameterStep Angle1.8°Step Angle Accuracy±5%full step,no loadResistanceAccuracy±10%InductanceAccuracy±20%Temperature Rise80 Maxrated current,2phase onAmbient Temperatuer2050Insulation Resistance100M Ω Min 500VDCDielectric Strength500V AC for one minuteShaft Radial Play0.02 Max450g loadShaft Axial Play0.08 Max450g loadMax.radial force220N20mm from the flangeMax.axial force60NModelCurrent/PhaseResistance/PhaseInductance/PhaseHolding Tprque# of LeadsRotor InertiaWeightLengthSingle ShaftDouble ShaftAΩmHkg-cmg-cm2kgmmYSD31112-3AYSD31112-3B4.31.24.480460005.0124YSD31115-3AYSD31115-3B6.00.62.7120497206.6148YSD31118-3AYSD31118-3B6.40.622.91604135609.0182YSD31121-3AYSD31121-3B6.90.572.420041740011.1215 The stepper motor can be designed by every customer with different requirments. For more information,please visit our Website: http://www.servo-motor.com.cn/english