User guide

Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 [phone] POW-R-BLOK
TM
Dual SCR Isolated Module
90 Amperes / Up to 1800 Volts
Revision Date: 04/28/2009
CD43__90B
Maximum On-State Forward Voltage Drop
0.00
0.50
1.00
1.50
2.00
2.50
3.00
3.50
4.00
10 100 1000
Instantaneous On-State Current - Itm - Amperes
On-State Voltage - Vtm - Volts
( Tj = 125 °C )
Maximum Transient Thermal Impedance
0.00
0.05
0.10
0.15
0.20
0.25
0.30
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
20
40
60
80
100
120
140
0 20406080100
Average On-State Current - It(av) - Amperes
Maximum Power Dissipation Per SCR - Watts
(Sinusoidal Waveform)
0
180
360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
120°
90°
60°
30°
15°
180°
80
85
90
95
100
105
110
115
120
125
0 102030405060708090100
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
20
40
60
80
100
120
140
160
180
0 10 20 30 40 50 60 70 80 90 100 110 120 130 140 150
Average On-State Current - It(av) - Amperes
Maximum Power Dissipation Per SCR - Watts
(Rectangular Waveform)
0
180
360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
270°
180°
120°
90°
60°
30°
15°
360°
75
80
85
90
95
100
105
110
115
120
125
0 102030405060708090100110120130140150
Average On-State Current - It(av) - Amperes
Max. Case Temperature - Tcase - °C
(Rectangular Waveform)