CD42__90B
CD47__90B
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOKTM
Dual SCR/Diode Isolated Module
90 Amperes / Up to 1800 Volts
Maximum On-State Forward Voltage Drop
( Tj = 125 °C )
Maximum Transient Thermal Impedance
(Junction to Case)
0.30
0.25
0.20
0.15
0.10
0.05
0.00
4
3.5
3
2.5
2
1.5
1
0.5
0
10
100
1000
0.001
0.01
0.1
1
10
100
Instantaneous On-State Current
-
Itm / Ifm
-
Amperes
Time - t - Seconds
Maximum Allowable Case Temperature
(Sinusoidal Waveform)
Maximum On-State Power Dissipation
(Sinusoidal Waveform)
140
130
120
110
100
90
125
120
115
110
105
100
95
180°
120°
90°
60°
180
360
0
CONDUCTION ANGLE
30°
80
15°
70
60
50
15°
40
30°
180
360
0
30
60°
CONDUCTION ANGLE
90°
20
90
10
120°
180°
0
85
0
10
20
30
40
50
60
70
80
90
100
0
10
20
30
40
50
60
70
80
90
100
Average On-State Current - It/If(av) - Amperes
Average On-State Current - It/If(av) - Amperes
Maximum On-State Power Dissipation
(Rectangular Waveform)
Maximum Allowable Case Temperature
(Rectangular Waveform)
180
125
170
160
150
140
130
120
110
100
90
270°
120
115
110
105
100
95
360°
180°
120°
180
360
0
CONDUCTION ANGLE
90°
60°
30°
80
70
60
50
30°
90
60°
90°
40
30
20
10
85
120°
180
360
0
180°
CONDUCTION ANGLE
80
360°
270°
0
75
0
10
20
30
40
50
60
70
80
90 100 110 120 130 140 150
0
10
20
30
40
50
60
70
80
90 100 110 120 130 140 150
Average On-State Current - It/If(av) - Amperes
Average On-State Current - It/If(av) - Amperes
Revision Date: 04/28/2009
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