Model

Step
Angle
( ° )

No.of
phase

Voltage
(V)

Current
(A)

Resistance
(Ω)

Holding
torque
(g.cm)

Deent
torque
(g.cm)

Rotor Inertia
(g.cm 2 )

Leads

Wdg

Fig

15BY20L01

18

2

5

0.5

10

27

10

0.3

-

-

1

15BY20L02

18

2

12

0.065

190

40

10

0.3

-

-

2

15BY20L03

18

2

5

0.25

20

30

10

0.3

-

-

2

15BY20L04

18

2

12

0.24

50

35

10

0.3

-

-

2

20BY20L01

18

2

5

0.5

10

75

30

0.6

UL1061 AWG28

a

3

20BY20L02

18

2

5

0.4

13

65

30

0.6

-

-

4