高性价比步进电机2相57系列步进电机精密步进电机57mm2相电机电机特性步距角---0.9°/1.8°绝缘电阻---500VDC100MΩMin绝缘强度---500VAC50Hz1mAMinute环境温度---20~40℃温升---80KMax绝缘等级---F规格参数ModelHoldingTorqueStepAngleRatedVoltageRatedCurrentWindingResistanceInductanceLength型***保持力矩(N.M)步距角(º)***壓（V）***流(A)***阻(Ω)***感(mH)長度(mm)TDA202-S0.241.81.830.60.4740TDA204-S0.431.85.915.97.851TDA206-S0.631.81.411.44.556TDA209-S0.91.82.430.91.356TDA214-S1.451.85.01.5510.576TDA218-S1.81.82.61.53.61.280)