CD43__90B
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOKTM
Dual SCR 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
4.00
3.50
3.00
2.50
2.00
1.50
1.00
0.50
0.00
10
100
1000
0.001
0.01
0.1
1
10
100
Instantaneous On-State Current - Itm - Amperes
Time - t - Seconds
Maximum On-State Power Dissipation
(Sinusoidal Waveform)
Maximum Allowable Case Temperature
(Sinusoidal Waveform)
140
125
120
115
110
105
100
95
120
100
80
60
40
20
0
180°
120°
90°
60°
180
360
0
30°
15°
CONDUCTION ANGLE
15°
30°
180
360
0
90
60°
CONDUCTION ANGLE
90°
120°
85
180°
90
80
0
20
40
60
80
100
0
10
20
30
40
50
60
70
80
100
Average On-State Current - It(av) - Amperes
Average On-State Current - It(av) - Amperes
Maximum On-State Power Dissipation
(Rectangular Waveform)
Maximum Allowable Case Temperature
(Rectangular Waveform)
125
120
115
110
105
100
95
180
160
140
120
100
80
270°
360°
180°
180
360
0
120°
CONDUCTION ANGLE
90°
60°
30°
15°
60
90
40
30°
85
60°
90°
120°
180
CONDUCTION ANGLE
360
0
20
180°
270°
80
360°
15°
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(av) - Amperes
Average On-State Current - It(av) - Amperes
Revision Date: 04/28/2009
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