Data Sheets
SCRs
1000
800
SUPPLY FREQUENCY: 60 Hz Sinusoidal
LOAD: Resistive
600
500
RMS ON-STATE CURRENT: [I
]: Max-
Rated Value at Specified Case Temperature
T(RMS)
400
300
200
100
80
60
50
40
30
20
10
8
6
5
4
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.
3
2
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
18
16
14
12
10
8
CURRENT WAVEFORM: Half Sine Wave
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180˚
CURRENT WAVEFORM: Half Sine Wave
LOAD: Resistive or Inductive
CONDUCTION ANGLE: 180˚
15 A to 20 A Devices
1.0
12 A Devices
0.8
6 A to 10 A Devices
1.0 A Devices
0.6
6
0.4
4
0.2
0
2
0
0
2
4
6
8
10
12
14
16
18
20
0
0.2 0.4 0.6 0.8 1.0
RMS On-state Current [IT(RMS)] – Amps
RMS On-state Current [IT(RMS)] – Amps
Figure E6.24 Power Dissipation (Typical) versus RMS On-state Current
(1 A)
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 ]
