Data Sheets

Triacs

©2004 Littelfuse, Inc.

E2 - 9

http://www.littelfuse.com

Thyristor Product Catalog

+1 972-580-7777

Figure E2.13 Peak Surge Current versus Surge Current Duration

Figure E2.14 Normalized DC Holding Current versus Case Temperature

Figure E2.15 Turn-on Time versus Gate Trigger Current (Typical)

SUPPLY FREQUENCY: 60 Hz Sinusoidal

LOAD: Resistive

Rated Value at Specified Case Temperature

immediately following surge current interval.

2) Overload may not be repeated until

junction temperature has returned to

steady-state rated value.

25 A TO-220

15 A

10 A

8 A

4 A

1 A

6 A

1

10

20

30

40

50

60

80

100

120

300

400

1000

1

10

100

1000

Surge Current Duration – Full Cycles

200

0.8 A

25 A Fastpak

35 A Fastpak

-65

-40

-15

+25

+65

+125

1.0

2.0

3.0

4.0

Case Temperature (T

INITIAL ON-STATE CURRENT

= 200 mA DC 0.8 A - 10 A Devices

= 400 mA DC 15 A - 25 A Devices

0

0

25

50

75

100

125

150

175

200

225

250

275

300

1

2

3

4

5

6

7

8

DC Gate Trigger Current (l

T