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PA43__07
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
www.pwrx.com
Typical On-State Forward Voltage Drop
AC Switch SCR Isolated Module
1550 Amps RMS, Up to 1800 Volts
Maximum Transient Thermal Impedance
(Junction To Case)
3
2.5
2
1.5
1
0.5
0
(Tj = 125C)
0.06
0.05
0.04
0.03
0.02
0.01
0.00
10
100
1000
10000
0.001
0.01
0.1
1
10
100
1000
900
Instantaneous On-State Current - Itm - Amperes
Maximum On-State Power Dissipation
(Sinusoidal Waveform)
130
Time - t - Seconds
Maximum Allowable Case Temperature
(Sinusoidal Waveform)
800
700
600
500
15°
30°
60°
90°
120°
180°
120
110
100
15°
0 180 360
CONDUCTION ANGLE
400
300
90
30°
200
100
0
0 180 360
CONDUCTION ANGLE
80
70
60°
90°
120°
180°
0
100
200
300
400
500
600
700
800
0
100
200
300
400
500
600
700
800
1400
Average On-State Current - It(av) - Amperes
Maximum On-State Power Dissipation
(Rectangular Waveform)
130
Average On-State Current - It(av) - Amperes
Maximum Allowable Case Temperature
(Rectangular Waveform)
1200
1000
180°
270°
360°
120
110
800
600
400
200
15°
30°
60°
90°
120°
0 180 360
CONDUCTION ANGLE
100
90
80
70
60
15°
30°
60°
90°
120°
0 180 360
CONDUCTION ANGLE
180° 270°
360°
0
50
0
200
400
600
800
1000
1200
1400
0
200
400
600
800
1000
1200
1400
Average On-State Current - It(av) - Amperes
Average On-State Current - It(av) - Amperes
Revision Date: 05/29/2012
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