Data Sheets

Sensitive Triacs

©2004 Littelfuse, Inc.

E1 - 7

http://www.littelfuse.com

Thyristor Product Catalog

+1 972-580-7777

Figure E1.3 Maximum Allowable Case Temperature versus

On-state Current (4 A, 6 A, and 8 A)

Figure E1.4 On-state Current versus On-state Voltage (Typical)

Figure E1.5 Normalized DC Holding Current versus Case Temperature

Figure E1.6 Normalized DC Gate Trigger Voltage for All Quadrants

versus Case Temperature

Figure E1.7 Normalized DC Gate Trigger Current for All Quadrants

versus Case Temperature

Figure E1.8 Turn-on Time versus Gate Trigger Current (Typical)

01

2

3

4

5

6

7

8

60

65

70

75

80

85

90

95

100

105

110

CURRENT WAVEFORM: Sinusoidal

LOAD: Resistive or Inductive

CONDUCTION ANGLE: 360˚

CASE TEMPERATURE: Measured as

shown on Dimensional Drawings

4 A TYPE 1 and 3 TO-202

4 A TO-220 (Isolated)

4 A TO-252

8 A

TO-220

(Isolated)

6 A

TO-220

(Isolated)

4 A TYPE 2 and 4 TO-202

4 A TO-251

8 A

TO-251

and

TO-252

6 A TO-251

6 A TO-252

0

0.5

0.8

1.0

1.2

1.4

1.6

1.8

0

2

4

6

8

10

12

14

16

18

20

Positive or Negative Instantaneous

1 A

4 A

6 A and 8 A

T

0.8 A

-40

-15

+25

+65

+110 +125

0

1.0

2.0

3.0

4.0

-65

INITIAL ON-STATE CURRENT

= 100 mA (DC) 0.8 - 4 A Devices

= 200 mA (DC) 6 - 8 A Devices

-65

-40

-15

+65

+110 +125

+25

0

.5

1.0

1.5

2.0

-65

-40

-15

+65

+110 +125

+25

0

1.0

2.0

3.0

4.0

12

3

4

6

5

8

10

20

30

40

60

80 100

I

GT

= 5 mA MAX

I

GT

= 10 mA MAX

I

GT

= 20 mA

MAX

I

GT

= 3 mA MAX

0

1.0

2.0

3.0

4.0

5.0

6.0

7.0