4

Revised: December 9, 2011 01:32 PM

©2011 Littelfuse, Inc

Specifications are subject to change without notice.

Please refer to http://www.littelfuse.com for current information.

Standard Bidirectional SIDACs

Kxxxzy Series

Figure 7: Normalized DC Holding Current

vs. Junction Temperature

0.0

0.5

1.0

1.5

2.0

-40

-1510356085110

Junction Temperature (T

125

80

90

100

110

120

130

0.0

0.2

0.4

0.6

0.8

1.01.2

CURRENT WAVEFORM: Sinusoidal - 60Hz

LOAD: Resistive or Inductive

Kxxx0G

Kxxx0S

Kxxx0E

Kxxx2G

RMS On-State Current [I

Figure 8: Maximum Allowable Case Temperature

vs. RMS On-State Current

20

40

60

80

100

120

140

0.0

0.2

0.4

0.6

0.8

1.0

CURRENT WAVEFORM: Sinusoidal - 60Hz

LOAD: Resistive or Inductive

FREE AIR RATING

Kxxx0G

Kxxx0S

Kxxx0E

Kxxx2G

RMS On-State Current [I

25

Figure 9: Maximum Allowable Ambient Temperature vs.

RMS On-State Current

1

10

20

30

40

50

60

70

80

90

100110

120

130

Junction Temperature (T

Figure 10: Normalized Repetitive Peak Breakover

Current (I

100-250 V ac

60 Hz

Scope

Push to test

S1

Switch to test

in each direction

100 Ω

1%

Device

Under

Test

S1

Scope Indication

Trace Stops

Figure 11: Dynamic Holding Current Test Circuit for

SIDACs

Figure 12: Basic SIDAC Circuit

Load

100-250 Vac

60 Hz

120-145

˚

Conduction

Angle

Load Current