Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 POW-R-BLOK
TM
www.pwrx.com Dual SCR Isolated Module
250 Amperes / Up to 1600 Volts
Revision Date: 05/17/2010
ND43__25
Maximum On-State Forward Voltage Drop
0.00
1.00
2.00
3.00
4.00
5.00
10 100 1000 10000
Instantaneous On-State Current - Itm - Amperes
On-State Voltage - Vtm - Volts
( Tj = 130 °C )
ED41N
Maximum Transient Thermal Impedance
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.001 0.01 0.1 1 10 100
Time - t - Seconds
Thermal Impedance - Rjc - °C/W
(Junction to Case, Per SCR)
0
180
360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
15°
30°
60°
90°
120°
180°
0
50
100
150
200
250
300
0 50 100 150 200 250 300
Average On-State Current - It(av) - Amperes
Max. 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
130
0 50 100 150 200 250 300
Average On-State Current - It(av) - Amperes
Max. Case Temperature - Tcase -°
(Sinusoidal Waveform)
0
180
360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
90°
60°
30°
120°
180°
270°
15°
360°
0
50
100
150
200
250
300
350
400
0 50 100 150 200 250 300 350 400 450
Average On-State Current - It(av) - Amperes
Max. Power Dissipation Per SCR - Watts
(Rectangular Waveform)
0
180
360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
270°
180°
120°
90°
60°
30°
15°
360°
70
80
90
100
110
120
130
0 50 100 150 200 250 300 350 400 450
Average On-State Current - It(av) - Amperes
Max. Case Temperature - Tcase -°C
(Rectangular Waveform)
