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

Detent
Torque

Length

Single shaft

Double shaft

V

A

Ω

mH

g-cm

g-cm2

kg

g-cm

mm

39ST20-0404A

39ST20-0404B

2.64

0.4

6.6

7.5

650

4

11

0.12

50

20

39ST20-0506A

39ST20-0506B

6.5

0.5

13

7.5

800

6

39ST34-0404A

39ST34-0404B

12

0.4

30

32

2100

4

20

0.18

120

34

39ST34-0306A

39ST34-0306B

12

0.3

40

20

1300

6

39ST38-0504A

39ST38-0504B

12

0.5

24

45

2900

4

24

0.2

180

38

39ST38-0806A

39ST38-0806B

6

0.8

7.5

6

2000

6

39ST44-0304A

39ST44-0304B

12

0.3

40

100

2800

4

40

0.25

250

44