323

©2008 Littelfuse, Inc.

Revised: August 29, 2008

Specifications are subject to change without notice.

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

323

©2008 Littelfuse, Inc.

Specifications are subject to change without notice.

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

Kxxx0yH Series

High Energy Bidirectional SIDACs

Figure 7: Normalized DC Holding Current

vs. Junction Temperature

125

0.0

0.5

1.0

1.5

2.0

-40

-15

10

35

60

85

110

Junction Temperature (T

80

90

100

110

120

130

0.0

0.2

0.4

0.6

0.8

1.0

1.2

CURRENT WAVEFORM: Sinusoidal - 60Hz

LOAD: Resistive or Inductive

Kxxx0GH

Kxxx0SH

Kxxx0EH

RMS On-State Current [I

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

Kxxx0GH

Kxxx0SH

Kxxx0EH

RMS On-State Current [I

Figure 9: Maximum Allowable Ambient Temperature

vs. RMS On-State Current

Figure 8: Maximum Allowable Case Temperature

vs. RMS On-State Current

1

10

20

30

40

50

60

70

80

90

100

110

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

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 V ac

60 Hz

Conduction

Angle

Load Current