Littelfuse Kxxx0yH Series - Manual (Page 3)

3
Revised: 12/26/13
©2013 Littelfuse, Inc
Specifications are subject to change without notice.
Teccor ® brand Thyristors
High Energy Bidirectional SIDACs
Kxxx0yH Series
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
J
) -- °C
Ratio of I
H
/ I
H
(T
J
= 25°C)
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
Maximum
All
owa
ble Lead/Case
Temper
at
ur
e (T
C
) - °C
RMS On-State Current [I
T(RMS)
] - Amps
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
Maximum
All
ow
able
Ambient
Temper
at
ur
e (T
A
) - °C
RMS On-State Current [I
T(RMS)
] - Amps
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
Repetitiv
e P
eak Br
eak
ove
r
Cur
rent (I
BO
) Multiplier
Junction Temperature (T
J
) -- °C
Figure 10: Normalized Repetitive Peak Breakover
Current (I
BO
) vs. Junction Temperature
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
I
H
I
PK
Figure 11: Dynamic Holding Current Test
Circuit for SIDACs
Figure 12: Basic SIDAC Circuit
Load
100-250 V ac
60 Hz
I H
V BO
120-145 ˚
Conduction
Angle
I H
I H
Load Current
V BO
V BO