Teccor® brandThyristors
Standard Unidirectional SIDACs
Figure 3: Power Dissipation vs. On-state Current
(Typical)
Figure 4: Peak Non-repetitive Surge Current (ITSM
)
vs. Number of Cycles
100
SUPPLY FREQUENCY: 60 Hz Sinusoidal
LOAD: Resistive
RMS ON-STATE CURRENT: IT RMS Maximum Rated
Value at Specified JunctionTemperature
1.2
1.0
0.8
0.6
0.4
0.2
0.0
10
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.
0.0
0.1
0.2
0.3
0.4
0.5
0.6
0.7
1.0
0.8
0.9
1
1
10
100
1000
RMS On-state Current [IT(RMS)] - Amps
Surge Current Duration -- Full Cycles
Figure 5: Repetitive Peak On-state Current(ITRM)
vs. PulseWidth atVarious Frequencies of
K0820yU/K0900yU
Figure 6: Repetitive Peak On-state Current (ITRM)
vs. PulseWidth atVarious Frequencies of
K1050yU~K2500yU
1000
1000
di/dt Limit Line
di/dt Limit Line
ITM
ITM
tO
tO
1/f
1/f
5 Hz
120 Hz
100
100
120 Hz
1 kHz
5 Hz
60 Hz
1 kHz
60 Hz
5 kHz
5 kHz
10
10
1
1
1.0
10.0
100.0
1000.0
1.0
10.0
100.0
1000.0
Pulse BaseWidth (tO) - us
Pulse BaseWidth (tO) - us
Figure 7: NormalizedVBO Change vs. Junction
Temperature
Figure 8: Normalized DC Holding Current
vs. JunctionTemperature
2.0
1.5
1.0
0.5
0.0
10%
K2200yU~K2500yU
8%
6%
K0xx0yU
4%
2%
K1xx0yU
0%
-2%
-4%
-6%
-8%
K2000yU
-40.0
0.0
40.0
80.0
120.0
160.0
-40
-15
10
35
60
85
110
125
Junction Temperature (TJ) -- °C
JunctionTemperature (TJ) -- °C
Kxxx0yU SIDAC Series
©2015 Littelfuse, Inc
Specifications are subject to change without notice.
3
Revised: 08/11/15