Item

Specifications

Step Angle

1.8.

Step Angle Accuracy

±5% (full step, no load)

Resistance Accuracy

±10%

Inductance Accuracy

±20%

Temperature Rise

80.C Max.(rated current,2 phase on)

Ambient Temperature

-20.C~+50.C

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

28N? (20mm from the ange)

Max. axial force

10N?

Rated
Voltage

Current
/Phase

Resistance
/Phase

Inductance
/Phase

Holding
Torque

# of Leads

Rotor
Inertia

Weight

Length

Single Shaft

Double Shaft

V

A

Ω

mH

g. cm

kg-m2

kg

mm

28STH32-0956A

28STH32-0956B

2.66

0.95

2.8

0.8

430

6

9x10-7

0.11

31.5

28STH32-0674A

28STH32-0674B

3.8

0.67

5.6

3.4

600

4

28STH45-0956A

28STH45-0956B

3.4

0.95

3.4

1.2

750

6

12x10-7

0.14

44.5

28STH45-0674A

28STH45-0674B

4.56

0.67

6.8

4.9

950

4

28STH51-0956A

28STH51-0956B

4.4

0.95

4.6

1.8

900

6

18x10-7

0.2

50.5

28STH51-0674A

28STH51-0674B

6.2

0.67

9.2

7.2

1200

4