56 mm sq. (2.20 inch sq.)
1.8°/step RoHS
Unipolar winding, Lead wire type
Bipolar winding, Lead wire type▶p. 70
Unipolar winding, Lead wire type
Model number Holding torque at
2-phase energization
Rated
current
Wiring
resistance
Winding
inductance Rotor inertia Mass
(Weight)
Motor
length (L)
Single shaft Dual shaft [N·m (oz·in) min.] A/phase Ω/phase mH/phase
[
×
10-4kg·m2 (oz·in2)]
[kg (Ibs)] mm (in)
103H7121-0140 103H7121-0110 0.39 (55.2) 1 4.8 8 0.1 (0.55) 0.47 (1.04) 41.8 (1.65)
103H7121-0440 103H7121-0410 0.39 (55.2) 2 1.25 1.9 0.1 (0.55) 0.47 (1.04) 41.8 (1.65)
103H7121-0740 103H7121-0710 0.39 (55.2) 3 0.6 0.8 0.1 (0.55) 0.47 (1.04) 41.8 (1.65)
103H7123-0140 103H7123-0110 0.83 (117.5) 1 6.7 15 0.21 (1.15) 0.65 (1.43) 53.8 (2.12)
103H7123-0440 103H7123-0410 0.83 (117.5) 2 1.6 3.8 0.21 (1.15) 0.65 (1.43) 53.8 (2.12)
103H7123-0740 103H7123-0710 0.78 (110.5) 3 0.77 1.58 0.21 (1.15) 0.65 (1.43) 53.8 (2.12)
103H7124-0140 103H7124-0110 0.98 (138.8) 1 7 14.5 0.245 (1.34) 0.8 (1.76) 63.8 (2.51)
103H7124-0440 103H7124-0410 0.98 (138.8) 2 1.7 3.1 0.245 (1.34) 0.8 (1.76) 63.8 (2.51)
103H7124-0740 103H7124-0710 0.98 (138.8) 3 0.74 1.4 0.245 (1.34) 0.8 (1.76) 63.8 (2.51)
103H7126-0140 103H7126-0110 1.27 (179.8) 1 8.6 19 0.36 (1.97) 0.98 (2.16) 75.8 (2.98)
103H7126-0440 103H7126-0410 1.27 (179.8) 2 2 4.5 0.36 (1.97) 0.98 (2.16) 75.8 (2.98)
103H7126-0740 103H7126-0710 1.27 (179.8) 3 0.9 2.2 0.36 (1.97) 0.98 (2.16) 75.8 (2.98)
■Characteristics diagram
103H7121-0440
103H7121-0410
103H7121-0140
103H7121-0110
103H7121-0740
103H7121-0710
103H7123-0140
103H7123-0110
Allowable Load, Rotation Direction▶p. 87 General Specications▶p. 88
Data is measured under the trial conditions of SANYO DENKI. Driving torque may vary according to actual machine precision.
103H7123-0740
103H7123-0710
103H7123-0440
103H7123-0410
Customizing
Hollow
Shaft modication
Decelerator Encoder
Varies depending on the model number
and quantity. Contact us for details.
Constant current circuit
Source voltage: 24 VDC
Operating current:
1 A/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
Constant current circuit
Source voltage: 24 VDC
Operating current:
2 A/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
Constant current circuit
Source voltage: 24 VDC
Operating current:
3 A/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
Constant current circuit
Source voltage: 24 VDC
Operating current:
1 A/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
Constant current circuit
Source voltage: 24 VDC
Operating current:
2 A/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
Constant current circuit
Source voltage: 24 VDC
Operating current:
3 A/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)
Pulse rate (kpulse/s)
Number of rotations (min
−1
)
0.1 110
100
1000 2000 3000 5000100
fs
0.1
0.2
0.3
0.4
0.5
0
0
Torque (oz·in)
70
60
50
40
30
20
10
Pull-out torque at JL
Torque (N·m)
Pulse rate (kpulse/s)
Number of rotations (min
−1
)
0.1 110
100
1000 2000 3000 5000100
fs
0.1
0.2
0.3
0.4
0.5
0
0
Torque (oz·in)
70
60
50
40
30
20
10
Pull-out torque at JL
Torque (N·m)
Pulse rate (kpulse/s)
Number of rotations (min
−1
)
0.1 110
100
10002000 3000 5000100
fs
0.1
0.2
0.3
0.4
0.5
0
0
Torque (oz·in)
70
60
50
40
30
20
10
Pull-out torque at JL
Torque (N·m)
Pulse rate (kpulse/s)
Number of rotations (min
−1
)
0.1 110
100
1000 2000 3000 5000100
fs
0.2
0.4
0.6
0.8
1.0
0
0
Torque (oz·in)
140
120
100
80
60
40
20
Pull-out torque at JL
Torque (N·m)
Pulse rate (kpulse/s)
Number of rotations (min
−1
)
0.1 110
100
10002000 3000 5000100
fs
0.2
0.4
0.6
0.8
1.0
0
0
Torque (oz·in)
140
120
100
80
60
40
20
Pull-out torque at JL
Torque (N·m)
Pulse rate (kpulse/s)
Number of rotations (min
−1
)
0.1 110
100
100020003000 5000100
fs
0.2
0.4
0.6
0.8
1.0
0
0
Torque (oz·in)
140
120
100
80
60
40
20
Pull-out torque at JL
68
Stepping Motors
