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LD47__50
POW-R-BLOK
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
TM
Dual SCR/Diode Isolated Module
500 Amperes / Up to 1600 Volts
5.00
Maximum On-State Forward Voltage Drop
( Tj = 130 °C )
.07000
Maximum Transient Thermal Impedance
(Junction to Case, Per Junction)
.06000
4.00
.05000
3.00
.04000
.03000
2.00
.02000
1.00
.01000
0.00
10
100
1000
10000
100000
.00000
0.0001
0.001
0.01
0.1
1
10
100
700
Instantaneous On-State Current - Itm / Ifm - Amperes
M axim um O n-S tate Pow er Dissipation
(Sinusoidal W av efo rm )
130
Time - t - Seconds
M axim um Allow able Case T em perature
(Sinusoidal Waveform )
600
120°
180°
125
120
500
400
60°
90°
115
110
0
180
CONDUCTION ANGLE
360
300
200
100
15°
30°
0
180
CONDUCTION ANGLE
360
105
100
95
90
85
15°
30°
60°
90°
120°
180°
0
80
0
100
200
300
400
500
600
0
100
200
300
400
500
600
Av erag e On -State C u rrent - It(av )/ If(av )- Am peres
Maximum On-State Power Dissipation
(Rectangular Waveform)
Average O n-State Current - It(av)/ If(av) - Am peres
Maximum Allowable Case Temperature
(Rectangular Waveform)
900
800
700
600
500
400
300
200
100
15°
30°
60°
90°
120°
270°
180°
0 180 360
CONDUCTION ANGLE
360°
140
130
120
110
100
90
80
70
15°
30°
60°
90°
120°
0 180 360
CONDUCTION ANGLE
180°
270°
360°C
0
60
0
100
200
300
400
500
600
700
800
900
0
100
200
300
400
500
600
700
800
900
Average On-State Current - It(av) / If(av) - Amperes
Average On-State Current - It(av) / If(av) - Amperes
Revision Date: 12/04/2002
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