Teccor® brandThyristors
Standard Unidirectional SIDACs
Figure 9: Maximum Allowable CaseTemperature
vs. RMS On-State Current
Figure 10: Maximum Allowable AmbientTemperature
vs. RMS On-State Current
160
150
140
130
120
110
100
90
160
CURRENT WAVEFORM: Sinusoidal - 60Hz
LOAD: Resistive or Inductive
FREE AIR RATING
K2200GU~
K2500GU
K2200GU~
K2500GU
140
120
100
80
K2200S1U~
K2500S1U
K2200S1U~
K2500S1U
K0820GU~
K2000GU
K0820S1U~
K2000S1U
K0820GU~
K2000GU
60
K0820S1U~
K2000S1U
40
80
20
0
0.2
0.4
0.6
0.8
1
1.2
0
0.2
0.4
0.6
0.8
1
RMS On-State Current [IT(RMS)] - Amps
RMS On-State Current [IT(RMS)] - Amps
Figure 11: Normalized Repetitive Peak Breakover
Current (IBO) vs. JunctionTemperature
Figure 12: Dynamic Holding CurrentTest Circuit for
SIDACs
Push to test
10
Switch to test
in each direction
S1
100-250 V ac
60 Hz
Device
Under
Test
100 Ω
1%
S1
Scope
IPK
Trace Stops
IH
1
20
30
40
50
60
70
80
90 100
110 120 130 140 150
Scope Indication
JunctionTemperature (TJ) -- °C
Figure 13: Basic SIDAC Circuit
Figure 14: Relaxation Oscillator Using a SIDAC
(a) Circuit
(b) Waveforms
V
BO
R
VBO
VBO
SIDAC
V
C
V
≥ V
B0
V
DC(IN)
C
100-250 Vac
60 Hz
t
t
I
C
L
IH
R
L
Load
I
L
IH
120-145
Conduction
Angle
˚
V
- V
BO
- V
IN
I
BO
R
≤
max
V
IN
TM
R
≥
min
I
H (MIN)
Kxxx0yU SIDAC Series
©2015 Littelfuse, Inc
Specifications are subject to change without notice.
4
Revised: 08/11/15