Data Sheets
SCRs
Peak Surge (Non-repetitive) On-state Current (ITSM) – Amps
1000
800
600
500
400
300
200
65 A
SUPPLY FREQUENCY: 60 Hz Sinusoidal
LOAD: Resistive
RMS ON-STATE CURRENT: [IT(RMS)]: Max-
Rated Value at Specified Case Temperature
TO-2
1
8
70 A
D
evice
s
35 A
25 A
16 A
10 A
Devic
es
Devi
Devi
ce
s
ces
55 A
D
evice
s
40 A
Devic
es
s
100
80
60
50
40
30
20
Devi
ce
20 A
15 A
Devi
ces
Devi
ces
12 A
es
8AD
evice
s
6A
Dev
ices
Devic
10
8
6
5
4
3
2
1A
Dev
ices
Notes:
1) Gate control 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.
1
1
2
3
4 5 6 7 8 10
20 30 40 60 80100
200 300400 600
1000
Surge Current Duration – Full Cycles
Figure E6.23 Peak Surge Current versus Surge Current Duration
Average On-state Power
Dissipation [P
D(AV)
] – Watts
Average On-state
Power Dissipation [P
D(AV)
] – Watts
CURRENT WAVEFORM: Half Sine Wave
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180˚
18
16
14
12
10
8
6
4
2
0
15 A to 20 A Devices
12 A Devices
6 A to 10 A Devices
CURRENT WAVEFORM: Half Sine Wave
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180˚
1.0
0.8
1.0 A Devices
0.6
0.4
0.2
0
0
0.2
0.4
0.6
0.8
1.0
0
2
4
6
8
10
12
14
16
18
20
RMS On-state Current [I
T(RMS)
] – Amps
Figure E6.24 Power Dissipation (Typical) versus RMS On-state Current
(1 A)
RMS On-state Current [I
T(RMS)
] – Amps
Figure E6.25 Power Dissipation (Typical) versus RMS On-state Current
(6 A through 20 A)
©2002 Teccor Electronics
Thyristor Product Catalog
E6 - 11
http://www.teccor.com
+1 972-580-7777
TECCOR [ TECCOR ELECTRONICS ]
