Step Angle 

1.8°

Step Angle Accuracy

±5% (full step,no load)

Resistance Accuracy

±10%

Inductance Accuracy

±20%

Temperature Rise

80°CMax.(rated current,2 phase on)

Ambient Temperature

-10°C~+50°C

Insulation Resistance

100MΩMin.  500VDC

Dielectric Strength

500VAC for one minute

Shaft Radial Play

0.06Max.(450 g-load)

Shaft Axial Play

0.08Max.(450 g-load)

Model No

Current/Phase

Resistance/Phase

Inductance/Phase

Holding Torque

#Of Leads

Weight

Length

A

Ω

Mh

Oz-in

g-cm

Kg

mm

DW20HS28-0204

0.20

24

8

2.2

160

4

0.05

28

DW20HS30-0506

0.50

11.5

1.7

2.5

180

6

0.06

30

DW20HS33-0604

0.60

6.5

2.2

2.8

200

4

0.07

33

DW20HS38-0604

0.60

10

5.5

5.6

400

4

0.08

38