Stepping Motor 56mm sq.(2.20inch sq.) 1.8°/step Unipolar winding・Lead wire type Bipolar winding・Lead wire type P.40 Unipolar winding・Lead wire type Holding torque at 2-phase energization [N・m(oz・in)MIN.] 0.39(55.2) 0.39(55.2) 0.39(55.2) 0.83(117.) 0.83(117.5) 0.78(110.5) 0.98(138.8) 0.98(138.8) 0.98(138.8) 1.27(179.8) 1.27(179.8) 1.27(179.8) Model number Single shaft 103H7121-0140 103H7121-0440 103H7121-0740 103H7123-0140 103H7123-0440 103H7123-0740 103H7124-0140 103H7124-0440 103H7124-0740 103H7126-0140 103H7126-0440 103H7126-0740 Double shafts 103H7121-0110 103H7121-0410 103H7121-0710 103H7123-0110 103H7123-0410 103H7123-0710 103H7124-0110 103H7124-0410 103H7124-0710 103H7126-0110 103H7126-0410 103H7126-0710 Rated current A/phase 1 2 3 1 2 3 1 2 3 1 2 3 Wiring resistance Ω /phase 4.8 1.25 0.6 6.7 1.6 0.77 7 1.7 0.74 8.6 2 0.9 Winding inductance mH/phase 8 1.9 0.8 15 3.8 1.58 14.5 3.1 1.4 19 4.5 2.2 Mass (Weight) [×10-4kg・m2 (oz・in2)] [kg (Ibs)] 0.1(0.55) 0.47(1.04) 0.1(0.55) 0.47(1.04) 0.1(0.55) 0.47(1.04) 0.21(1.15) 0.65(1.43) 0.21(1.15) 0.65(1.43) 0.21(1.15) 0.65(1.43) 0.245(1.34) 0.8(1.76) 0.245(1.34) 0.8(1.76) 0.245(1.34) 0.8(1.76) 0.36(1.97) 0.98(2.16) 0.36(1.97) 0.98(2.16) 0.36(1.97) 0.98(2.16) Rotor inertia ■ Characteristics diagram 40 30 20 0.4 70 Torque(oz・in.) 50 Torque(N・m) Torque(oz・in.) 60 0.5 103H7121-0440 103H7121-0410 70 0.3 Pull-out torque at JL 0.2 0.1 10 60 50 40 30 20 Torque(N・m) 0.5 103H7121-0140 103H7121-0110 0.4 0.3 Pull-out torque at JL 0.2 0.1 10 0 0 0.1 1 fs 10 0 0 100 0.1 1 fs Pulse rate(kpulse/s) 100 1000 2000 3000 5000 100 Number of rotations(min−1) 103H7123-0140 103H7123-0110 30 20 0.4 Pull-out torque at JL 0.3 120 100 0.2 0.1 10 0 1.0 140 Torque(oz・in.) 40 Torque(N・m) Torque(oz・in.) 50 80 60 40 0.8 0.6 Pull-out torque at JL 0.4 0.2 20 0 0.1 1 fs 10 100 0 0 0.1 1 fs Pulse rate(kpulse/s) 100 1000 2000 3000 5000 100 Allowable load・Internal wiring・Rotation direction P.53 General Specifications 100 1000 2000 3000 5000 Number of rotations(min−1) Constant current circuit Source voltage : DC24V・Operating current : 3A/phase, 2-phase energization (full-step) JL=[0.94 × 10 -4kg・m2 (5.14 oz・in2) use the rubber coupling] fs: Maximum self-start frequency when not loaded Driving torque may vary according to actual machine precision. 10 Pulse rate(kpulse/s) Number of rotations(min−1) 38 1000 2000 3000 5000 Constant current circuit Source voltage : DC24V・Operating current : 2A/phase, 2-phase energization (full-step) JL=[0.94 × 10 -4kg・m2 (5.14 oz・in2) use the rubber coupling] fs: Maximum self-start frequency when not loaded Torque(N・m) 0.5 70 60 100 Number of rotations(min−1) Constant current circuit Source voltage : DC24V・Operating current : 1A/phase, 2-phase energization (full-step) JL=[0.94 × 10 -4kg・m2 (5.14 oz・in2) use the rubber coupling] fs: Maximum self-start frequency when not loaded 103H7121-0740 103H7121-0710 10 Pulse rate(kpulse/s) P.54 Motor dimensions Constant current circuit Source voltage : DC24V・Operating current : 1A/phase, 2-phase energization (full-step) JL=[0.94 × 10 -4kg・m2 (5.14 oz・in2) use the rubber coupling] fs: Maximum self-start frequency when not loaded P.66 The data are measured under the drive condition of our company. DC input set model ■ Characteristics diagram 103H7123-0740 103H7123-0710 Pull-out torque at JL 0.4 0.2 60 40 0.6 Pull-out torque at JL 0.4 0.2 20 0 0 0.1 1 fs 10 0 0 100 0.1 1 fs Pulse rate(kpulse/s) 100 10002000 3000 5000 100 103H7124-0440 103H7124-0410 40 0.8 1.0 140 120 Torque(oz・in.) 60 Torque(N・m) Torque(oz・in.) 80 100 0.6 Pull-out torque at JL 0.4 0.2 20 80 60 40 0.8 Pull-out torque at JL 0.6 0.4 0.2 20 0 0 0.1 fs 1 10 0 0 100 0.1 1 fs Pulse rate(kpulse/s) 100 10002000 3000 5000 100 103H7126-0140 103H7126-0110 40 0.8 2 280 240 Torque(oz・in.) 60 Torque(N・m) Torque(oz・in.) 80 200 0.6 Pull-out torque at JL 160 0.4 120 0.2 80 1.6 1.2 0.8 Pull-out torque at JL 0.4 40 20 0 0 0.1 1 fs 10 Pulse rate(kpulse/s) 100 0 0 100 0.1 1000 2000 3000 5000 100 103H7126-0740 103H7126-0710 80 1.6 2 240 200 1.2 160 Pull-out torque at JL 0.8 120 0.4 40 0 1000 20003000 5000 280 Torque(oz・in.) 120 Torque(N・m) Torque(oz・in.) 160 100 Constant current circuit Source voltage : DC24V・Operating current : 1A/phase, 2-phase energization (full-step) JL=[2.6 × 10 -4kg・m2 (14.22 oz・in2) use the rubber coupling] fs: Maximum self-start frequency when not loaded 80 Torque(N・m) 2 280 200 10 Number of rotations(min−1) Constant current circuit Source voltage : DC24V・Operating current : 3A/phase, 2-phase energization (full-step) JL=[2.6 × 10 -4kg・m2 (14.22 oz・in2) use the rubber coupling] fs: Maximum self-start frequency when not loaded 240 1 fs Pulse rate(kpulse/s) Number of rotations(min−1) 103H7126-0440 103H7126-0410 1000 2000 3000 5000 Constant current circuit Source voltage : DC24V・Operating current : 2A/phase, 2-phase energization (full-step) JL=[2.6 × 10 -4kg・m2 (14.22 oz・in2) use the rubber coupling] fs: Maximum self-start frequency when not loaded Torque(N・m) 1.0 140 100 100 Number of rotations(min−1) Constant current circuit Source voltage : DC24V・Operating current : 1A/phase, 2-phase energization (full-step) JL=[2.6 × 10 -4kg・m2 (14.22 oz・in2) use the rubber coupling] fs: Maximum self-start frequency when not loaded 120 10 Pulse rate(kpulse/s) Number of rotations(min−1) 103H7124-0740 103H7124-0710 1000 2000 3000 5000 Constant current circuit Source voltage : DC24V・Operating current : 3A/phase, 2-phase energization (full-step) JL=[0.94 × 10 -4kg・m2 (5.14 oz・in2) use the rubber coupling] fs: Maximum self-start frequency when not loaded Torque(N・m) 1.0 140 100 100 Number of rotations(min−1) Constant current circuit Source voltage : DC24V・Operating current : 2A/phase, 2-phase energization (full-step) JL=[0.94 × 10 -4kg・m2 (5.14 oz・in2) use the rubber coupling] fs: Maximum self-start frequency when not loaded 120 10 Pulse rate(kpulse/s) Number of rotations(min−1) 103H7124-0140 103H7124-0110 Stepping Motor 20 80 Stepping motors with integrated drivers 40 100 0.6 0.8 Stepping motor for vacuum environment 60 120 Dimensions 80 0.8 Torque(oz・in.) 100 Torque(N・m) 120 1.0 140 Torque(N・m) 1.0 140 Torque(oz・in.) 103H7123-0440 103H7123-0410 1.6 1.2 Pull-out torque at JL 0.8 0.4 40 0 0.1 1 fs 10 100 0 0 0.1 1 fs Pulse rate(kpulse/s) 100 1000 20003000 5000 100 Number of rotations(min−1) Allowable load・Internal wiring・Rotation direction P.53 General Specifications 100 1000 2000 3000 5000 Number of rotations(min−1) Constant current circuit Source voltage : DC24V・Operating current : 2A/phase, 2-phase energization (full-step) JL=[2.6 × 10 -4kg・m2 (14.22 oz・in2) use the rubber coupling] fs: Maximum self-start frequency when not loaded Driving torque may vary according to actual machine precision. 10 Pulse rate(kpulse/s) P.54 Motor dimensions Constant current circuit Source voltage : DC24V・Operating current : 3A/phase, 2-phase energization (full-step) JL=[2.6 × 10 -4kg・m2 (14.22 oz・in2) use the rubber coupling] fs: Maximum self-start frequency when not loaded P.66 The data are measured under the drive condition of our company. 39
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