Item

Specifications

Step Angle

1.8°

Step Angle Accuracy

±5% (full step, no load)

Resistance Accuracy

±10%

Inductance Accuracy

±20%

Temperature Rise

80℃Max.(rated current,2 phase on)

Ambient Temperature

-20℃~+50℃

Insulation Resistance

100MΩMin. ,500VDC

Dielectric Strength

500VAC for one minute

Shaft Radial Play

0.02Max. (450 g-load)

Shaft Axial Play

0.08Max. (450 g-load)

Max. radial force

75N (20mm from the flange)

Max. axial force

15N

Model No.

Rated
Voltage

Current
/Phase

Resistance
/Phase

Inductance
/Phase

Holding
Torque

# of
Leads

Rotor
Inertia

Weight

Detent
Torque

Length

Single Shaft

Double Shaft

V

A

Ω

mH

kg-cm

g-cm2

kg

kg-cm

mm

SM60HT45-2008AF

SM60HT45-2008BF

unipolar

3

2

1.5

2

7.8

8

275

0.6

0.5

47

parallel

2.1

2.8

0.75

2

11

series

4.2

1.4

3.0

8

11

SM60HT56-2008AF

SM60HT56-2008BF

unipolar

3.6

2

1.8

3.6

11.7

8

300

0.77

0.7

56

parallel

2.52

2.8

0.9

3.6

16.5

series

5.04

1.4

3.6

14.4

16.5

SM60HT65-2008AF

SM60HT65-2008BF

unipolar

4.8

2

2.4

4.6

15

8

570

1.2

0.9

67

parallel

3.36

2.8

1.2

4.6

21

series

6.72

1.4

4.8

18.4

21

SM60HT86-2008AF

SM60HT86-2008BF

unipolar

6

2

3

6.8

22

8

840

1.4

1.0

88

parallel

4.17

2.8

1.5

6.8

31

series

8.4

1.4

6

27.2

31