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2-phase Stepping Motor
56 103H712
mm sq. 1.8˚/step
For information on the applicable driver,
contact our sales department.
Specifications
Unipolar winding
Model
Holding torque at Rated Wiring
Wiring
2-phase energization current resistance inductance
One 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
Two shafts
-0110
-0410
-0710
-0110
-0410
-0710
-0110
-0410
-0710
-0110
-0410
-0710
N.m or more
0.39
0.39
0.39
0.83
0.83
0.78
0.98
0.98
0.98
1.27
1.27
1.27
A/phase Ω/phase
1 4.8
2 1.25
3 0.6
1 6.7
2 1.6
3 0.77
17
2 1.7
3 0.74
1 8.6
22
3 0.9
mH/phase
8
1.9
0.8
15
3.8
1.58
12.5
3.1
1.4
19
4.5
2.2
Rotor inertia Weigh
x10-4kg·m2
0.1
0.1
0.1
0.21
0.21
0.21
0.245
0.245
0.245
0.36
0.36
0.36
kg
0.47
0.47
0.47
0.65
0.65
0.65
0.8
0.8
0.8
0.98
0.98
0.98
Bipolar winding
Model
Holding torque at Rated Wiring
Wiring
2-phase energization current resistance inductance
One shaft
103H7121-5040
103H7123-5040
103H7126-5040
Two shafts
-5010
-5010
-5010
N.m or more
0.39
0.83
1.27
A/phase Ω/phase
2 0.65
2 0.8
2 1.05
mH/phase
1.9
3.8
4.5
Rotor inertia Weigh
x10-4kg·m2
0.1
0.21
0.36
kg
0.47
0.65
0.98
73
Pulse Rate - Torque Characteristics
103H7121-5040
5 0.5
4 0.4
3 0.3
Getaway torque at JL1
2 0.2
1 0.1
00
0.1
Start torque at JL2
1 10
Pulse rate (kpulse/s)
100
100 1000 2000 3000 5000
Number of rotations (min-1)
Sanyo constant current circuit
Source voltage: DC24V Wiring current: 2A/phase, 2-phase energization (full-step)
JL1=0.94x10-4kg·m2 (Uses rubber coupling)
JL2=0.1x10-4kg·m2 (pulley balancer method)
103H7123-5040
10 1.0
8 0.8
6 0.6
4 0.4
Getaway torque at JL1
2 0.2
Start torque
at JL2
00
0.1
1 10
Pulse rate (kpulse/s)
100
100 1000 2000 3000 5000
Number of rotations (min-1)
Sanyo constant current circuit
Source voltage: DC24V Wiring current: 2A/phase, 2-phase energization (full-step)
JL1=0.94x10-4kg·m2 (Uses rubber coupling)
JL2=0.21x10-4kg·m2 (pulley balancer method)
103H7126-5040
20 2
16 1.6
12 1.2
8 0.8
Getaway torque at JL1
4 0.4
Start torque
at JL2
00
0.1 1 10
Pulse rate (kpulse/s)
100
100 1000 2000 3000 5000
Number of rotations (min-1)
Sanyo constant current circuit
Source voltage: DC24V Wiring current: 2A/phase, 2-phase energization (full-step)
JL1=2.6x10-4kg·m2 (Uses rubber coupling)
JL2=0.33x10-4kg·m2 (pulley balancer method)
77
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