Sidac
Data Sheets
600
400
di/dt Limit Line
No
n-R
ep
ea
te
Re
pe
titi
on
Repetitive Peak
On-state Current (I
TRM
) – Amps
200
100
80
60
40
20
10
8
6
4
2
1
0.8
0.6
4
2 x 10-3
f=
d
l/f
Fr
eq
ue
nc
yf
f=
10
f=
10
Hz
0H
=5
Repetitive Peak Breakover
Current (I
BO
) Multiplier
ITRM
V
BO
Firing
Current
Waveform
to
9
8
7
6
5
4
3
2
z
Hz
V = V
BO
1k
Hz
T
J
= 125 ºC Max
f=
f=
f=2
5k
10
Hz
kH
z
1
20
30
40
50
60
70
80
90
100
110 120 130
0 kH
z
Junction Temperature (T
J
) – C
˚
6 8
1 x 10-2
2
4
6 8
1 x 10-1
2
4 6 81
Pulse base width (t
o
) – ms
Figure E9.3 Repetitive Peak On-state Current (I
TRM
) versus
Pulse Width at Various Frequencies
Figure E9.6 Normalized Repetitive Peak Breakover Current versus
Junction Temperature
9
CURRENT WAVEFORM: Sinusoidal - 60 Hz
LOAD: Resistive or Inductive
FREE AIR RATING
140
Maximum Allowable Ambient Temperature (T
A
) – ˚C
TL = 25 ˚C
8
Positive or Negative Instantaneous
On-state Current (i
T
) – Amps
120
7
6
5
4
3
2
1
0
TO-202 "F" Package
TO-92, DO-214 and DO-15X
"E", "S" and "G" Packages
100
TO
-20
2
80
DO
-1
Ty
pe
1
60
5X
TO
an
dT
-9
2
O-
an
20
40
d
DO
2T
yp
-2
e2
14
3a
nd
41
25
20
0
0.2
0.4
0.6
0.8
1.0
0
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2 2.4
2.6
2.8
3.0
3.2
3.4
3.6
RMS On-state Current [I
T(RMS)
] – Amps
Positive or Negative Instantaneous On-state Voltage (v
T
) – Volts
Figure E9.4 Maximum Allowable Ambient Temperature versus
On-state Current
Figure E9.7 On-state Current versus On-state Voltage (Typical)
+4
K2xxxF1
2.2
2.0
Average On-state
Power Dissipation [P
D(AV)
] – Watts
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
+2
Percentage of V
BO
Change – %
CURRENT WAVEFORM: Sinusoidal
LOAD: Resistive or Inductive
CONDUCTION ANGLE:
See Basic Sidac Cirucit
0
-2
-4
-6
-8
-10
-12
-40
-20
0
K2xxxE
K2xxxG
K2xxxS
K1xxxE
K1xxxG
K1xxxS
TO-202 "F" Package
"E", "S" and "G" Packages
TO-92, DO-214 and DO-15X
+25
+20
+40
+60
+80
+100
+120 +140
0
0.2
0.4
0.6
0.8
1.0
Junction Temperature (T
J
) – ˚C
RMS On-state Current [I
T(RMS)
] – Amps
Figure E9.5 Normalized V
BO
Change versus Junction Temperature
Figure E9.8 Power Dissipation (Typical) versus On-state Current
[Refer to Figure E9.14 for Basic Sidac Circuit]
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E9 - 4
©2004 Littelfuse, Inc.
Thyristor Product Catalog
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