Data Sheets

Alternistor Triacs

©2004 Littelfuse, Inc.

E4 - 9

http://www.littelfuse.com

Thyristor Product Catalog

+1 972-580-7777

Figure E4.13 Power Dissipation (Typical) versus On-state Current

(6 A to 12 A)

Figure E4.14 Power Dissipation (Typical) versus On-state Current

(16 A)

Figure E4.15 Power Dissipation (Typical) versus On-state Current

(25 A to 40 A)

Figure E4.16 Maximum Allowable Ambient Temperature versus

On-state Current

0123456789

10 11 12 13 14 15 16

0

2

4

6

8

10

12

14

16

18

CURRENT WAVEFORM: Sinusoidal

LOAD: Resistive or Inductive

CONDUCTION ANGLE: 360

˚

6A to 12A Devices

02

46

8

10

12

14

16

0

2

4

6

8

10

12

14

16

18

CURRENT WAVEFORM: Sinusoidal

LOAD: Resistive or inductive

CONDUCTION ANGLE: 360˚

16A Devices

012

20

28

36

4

16

24

32

40

8

0

5

10

15

20

25

30

35

40

45

25 A

40 A

Current Waveform: Sinusoidal

Load: Resistive or Inductive

Conduction Angle: 360˚

30 A and

35 A Devices

120

100

80

60

40

25

20

0

0.2

0.4

0.6

0.8

1.0

1.2

1.4

1.6

1.8

2.0

TO-220 Devices

CURRENT WAVEFORM: Sinusoidal

LOAD: Resistive or Inductive

CONDUCTION ANGLE: 360

˚

FREE AIR RATING – NO HEATSINK

TO-251 Devices