311
©2008 Littelfuse, Inc.
Revised: July 9, 2008
Teccor® brand Thyristors
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
311
©2008 Littelfuse, Inc.
Teccor® brand Thyristors
Specifications are subject to change without notice.
Please refer to http://www.littelfuse.com for current information.
Kxxxzy Series
Standard Bidirectional SIDACs
Standard SIDACs
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
0.0 0.1 0.2 0.3 0.4 0.50.6 0.7 0.8 0.9 1.0
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE:
See Basic SIDAC Circuit in Figure 12
Kxxx2G
Kxxx0G
Kxxx0E
Kxxx0S
RMS On-State Current [IT(RMS)] - Amps
Average On-State Power Dissipation
[P
D(AV)
] - Watts
Figure 3: Power Dissipation vs. On-state Current
(Typical)
Pulse Base Width (tO) - us
Repetitive Peak On-State Current (ITRM) - Amps
1
10
100
1000
1.0 10.0 100.0 1000.0
5 Hz
60 Hz
5 kHz
120 Hz
1 kHz
di/dt Limit Line
ITM
tO
1/f
Figure 4: Repetitive Peak On-state Current (ITRM)
vs. Pulse Width at Various Frequencies
1
10
100
1 10 100 1000
Surge Current Duration -- Full Cycles
Peak Surge (Non-repetitive)
On-state Current (I
TSM
) – Amps
SUPPLY FREQUENCY: 60 Hz Sinusoidal
LOAD: Resistive
RMS ON-STATE CURRENT: IT RMS Maximum Rated
Value at Specified Junction Temperature
Notes:
1) Blocking capability may be lost during
and immediately following surge
current interval.
2) Overload may not be repeated until
junction temperature has returned
to steady-state rated value.
Figure 5: Peak Non-repetitive Surge Current (ITSM)
vs. Number of Cycles
Figure 6: Normalized VBO Change vs. Junction
Temperature
-12%
-10%
-8%
-6%
-4%
-2%
0%
2%
4%
-40 -20 0 20 40 60 80 100 120 140
K2xx0E
K2xx0G
K2xx0S
Kxxx2G
K1xx0E
K1xx0G
K1xx0S
VBO Change -- %
Junction Temperature (TJ) -- °C
Figure 7: Normalized DC Holding Current
vs. Junction Temperature
0.0
0.5
1.0
1.5
2.0
-40 -1510 3560 85110
Junction Temperature (TJ) -- °C
Ratio of IH / IH (TJ = 25°C)
12580
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
Kxxx0G
Kxxx0S
Kxxx0E
Kxxx2G
RMS On-State Current [I
T(RMS)
] - Amps
Maximum Allowable Lead/Case Temperature
(TC) - °C
Figure 8: Maximum Allowable Case Temperature
vs. RMS On-State Current