http://www.littelfuse.com E9 - 4 ©2004 Littelfuse, Inc.
+1 972-580-7777 Thyristor Product Catalog
Sidac Data Sheets
Figure E9.3 Repetitive Peak On-state Current (I
TRM
) versus
Pulse Width at Various Frequencies
Figure E9.4 Maximum Allowable Ambient Temperature versus
On-state Current
Figure E9.5 Normalized V
BO
Change versus Junction Temperature
Figure E9.6 Normalized Repetitive Peak Breakover Current versus
Junction Temperature
Figure E9.7 On-state Current versus On-state Voltage (Typical)
Figure E9.8 Power Dissipation (Typical) versus On-state Current
[Refer to Figure E9.14 for Basic Sidac Circuit]
di/dt Limit Line
0.6
0.8
4
2
4
6
8
10
20
40
60
80
100
200
400
600
2 x 10-3
68
1 x 10-2
2468
1 x 10-1
24681
1
Pulse base width (t
o
) – ms
Repetitive Peak
On-state Current (I
TRM
) – Amps
V
BO
Firing
Current
Waveform
Non-Repeated
Repetition Frequency f=5 Hz
f = 10 Hz
f = 100 Hz
f = 1 kHz
f = 5 kHz
f = 10 kHz
f = 20 kHz
T
J
= 125 ºC Max
to
I
TRM
l/f
Non-Repeated
0 0.2 0.4 0.6 0.8 1.0
20
40
60
80
100
120
140
25
RMS On-state Current [I
T(RMS)
] – Amps
Maximum Allowable Ambient Temperature (T
A
) – ˚C
CURRENT WAVEFORM: Sinusoidal - 60 Hz
LOAD: Resistive or Inductive
FREE AIR RATING
TO-92 and DO-214
DO-15X and TO-202 Type 23 and 41
TO-202
Type 1
-12
-20 0 +20 +40 +60 +80 +100 +120
-10
-8
-6
-4
-2
0
+2
+4
-40
+25
Junction Temperature (T
J
) – ˚C
Percentage of
V
BO
Change – %
+140
K2xxxF1
K1xxxE
K1xxxG
K1xxxS
K2xxxE
K2xxxG
K2xxxS
20 30 40 50 60 8070 90 100 110 120
1
2
3
4
5
6
7
8
9
Junction Temperature (T
J
) –
˚
C
Repetitive Peak Breakover
Current (I
BO
) Multiplier
V = V
BO
130
0
0.8 1.21.0 1.4 1.6 1.8 2.0 2.2 2.4 2.6 2.8 3.0 3.2 3.4 3.
0
1
2
3
4
5
6
7
8
9
Positive or Negative Instantaneous On-state Voltage (v
T
) – Volts
Positive or Negative Instantaneous
On-state Current (i
T
) – Amps
T
L
= 25 ˚C
TO-92, DO-214 and DO-15X
"E", "S" and "G" Packages
TO-202 "F" Package
0.2
0.4
0.6 0.8
1.0
0
0.4
0.8
1.2
1.6
0.2
0.6
1.0
1.4
1.8
2.0
2.2
RMS On-state Current [I
T(RMS)
] – Amps
Average On-state
Power Dissipation [P
D(AV)
] – Watts
"E", "S" and "G" Packages
TO-92, DO-214 and DO-15X
TO-202 "F" Package
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE:
See Basic Sidac Cirucit