Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
Dual SCR Isolated Module
430 Amperes / 1800-2200 Volts
Revision Date: 11/1/2001
LD43__43
Maximum On-State Forward Voltage Drop
0
1
2
3
4
5
10 100 1000 10000
Instantaneous On-State Current - Itm - Amperes
On-State Voltage - Vtm - Volts
( Tj = 125 °C )
Maximum Transient Thermal Impedance
0.000
0.010
0.020
0.030
0.040
0.050
0.060
0.070
0.0001 0.001 0.01 0.1 1 10 100
Time - t - Seconds
Thermal Impedance - Rjc - °C/W
(Junction to Case)
0
180
360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
15°
30°
60°
90°
120°
180°
0
100
200
300
400
500
600
700
800
0 100 200 300 400 500
Average On-State Current - Itm(av) - Amperes
Max. Power Dissipation Per SCR - Watts_
(Sinusoidal Waveform)
0
180
360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
120°
90°
60°
30°
15°
180°
70
80
90
100
110
120
130
0 100 200 300 400 500
Average On-State Current - It(av) - Amperes
Max. Case Temperature - Tcase -°C_
(Sinusoidal Waveform)
0
180
360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
90°
60°
30°
120°
180°
270°
15°
360°
0
200
400
600
800
1000
1200
0 100 200 300 400 500 600 700 800
Average On-State Current - It(av) - Amperes
Max. Power Dissipation Per SCR - Watts_
(Rectangular Waveform)
0
180
360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
270°
180°
120°
90°
60°
30°
15°
360°
50
60
70
80
90
100
110
120
130
0 100 200 300 400 500 600 700 800
Average On-State Current - It(av) - Amperes
Max. Case Temperature - Tcase -°C_
(Rectangular Waveform)
