
Teccor ? brand Thyristors
High Energy Bidirectional SIDACs
Figure 7: Normalized DC Holding Current
vs. Junction Temperature
2.0
1.5
Figure 8: Maximum Allowable Case Temperature
vs. RMS On-State Current
130
120
Kxxx0GH
110
1.0
100
Kxxx0SH
Kxxx0EH
0.5
90
CURRENT WAVEFORM: Sinusoidal - 60Hz
LOAD: Resistive or Inductive
0.0
-40
-15
10
35
60
85
110
125
80
0.0 0.2 0.4 0.6
0.8
1.0
1.2
Junction Temperature (T J ) -- °C
Figure 9: Maximum Allowable Ambient Temperature
vs. RMS On-State Current
140
CURRENT WAVEFORM : Sinus oidal - 60Hz
RMS On-State Current [I T(RMS) ] - Amps
Figure 10: Normalized Repetitive Peak Breakover
Current (I BO ) vs. Junction Temperature
10
120
100
80
60
40
20
Kxxx0SH
Kxxx0EH
LOAD: Re s is tive or Inductive
FREE AIR RATING
Kxxx0GH
1
0.0
0.2
0.4
0.6
0.8
1.0
20
30
40
50
60
70
80
90
100
110
120
130
RMS On-State Current [I T(RMS) ] - Amps
Figure 11: Dynamic Holding Current Test
Circuit for SIDACs
Push to test
Junction Temperature (T J ) -- °C
Figure 12: Basic SIDAC Circuit
100-250 V ac
60 Hz
S1
Switch to test
in each direction
Device
100
1%
Under
Test
V BO
V BO
V BO
100-250 V ac
S1
60 Hz
I H
Load
?
I PK
Trace Stops
Scope
120-145
Conduction
Angle
Load Current
I H
I H
I H
Scope Indication
?2008 Littelfuse, Inc.
Speci?cations are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
323
Revised: August 29, 2008
Kxxx0yH Series