Datasheet

28
Stepping Motors
42 mm sq.（1.65 inch sq.）
1.8°/step
Slim form
Bipolar winding・Lead wire type
Bipolar winding
・Lead wire type
Model number
Holding torque at
2-phase energization
Rated current
Wiring
resistance
Winding
inductance
Rotor inertia
Mass
(Weight)
Single shaft Dual shaft [N
・m（oz・in）MIN.] A/phase Ω /phase mH/phase [×10
-4
kg・m
2
(oz・in
2
)] [kg (Ibs)]
SS2421-5041 SS2421-5011 0.083
（11.75） 1 3.5 1.2 0.015 （0.082） 0.07 （0.15）
SS2422-5041 SS2422-5011 0.186 （26.33） 1 5.4 2.9 0.028 （0.153） 0.14 （0.31）
Constant current circuit
Source voltage : DC24V
・Operating current : 1A/phase,
2-phase energization (full-step)
J
L=[0.33× 10
-4
kg・m
2
(1.80 oz・in
2
) use the rubber coupling]
fs: Maximum self-start frequency when not loaded
Constant current circuit
Source voltage : DC24V
・Operating current : 1A/phase,
2-phase energization (full-step)
J
L=[0.33× 10
-4
kg・m
2
(1.80 oz・in
2
) use the rubber coupling]
fs: Maximum self-start frequency when not loaded
SS2422-5041
SS2422-5011
■
Characteristics diagram
SS2421-5041
SS2421-5011
Pulse rate （kpulse/s）
Number of rotations （min
−1
）
fs
0
Torque （oz・in.）
14
12
10
8
6
4
2
Torque （N・m）
0
0.02
0.04
0.06
0.08
0.10
0.1
1 10 100
2000 3000100 1000
Pull-out torque at JL
Torque （N・m）
0
0.05
0.10
0.15
0.20
0.1
1 10 100
2000 3000100 1000
Pulse rate （kpulse/s）
Number of rotations （min
−1
）
fs
0
Torque （oz・in.）
24
28
20
16
12
4
8
Pull-out torque at JL
Allowable Load・Internal Wiring・Rotation Direction P.56 General Speci cations P.57 Motor Dimensions P.6 9 The data are measured under the trial conditions of SANYO DENKI.
Driving torque may vary according to actual machine precision.
SS2421-5041