LD43__50
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
Dual SCR Isolated Module
500 Amperes / Up to 1600 Volts
TM
Maximum On-State Forward Voltage Drop
( Tj = 130 °C )
5.00
LD43N
Maximum Transient Thermal Impedance
(Junction to Case)
.07000
LD43N
.06000
On-State Voltage - Vtm - Volts
Thermal Impedance - Zjc - °C/W
4.00
.05000
.04000
.03000
.02000
.01000
.00000
3.00
2.00
1.00
0.00
10
100
1000
10000
100000
0.0001
0.001
0.01
0.1
1
10
100
Instantaneous On-State Current - Itm - Amperes
Time - t - Seconds
M axim um On-State Power Dissipation
(Sinusoidal Waveform)
700
LD 43N
Maximum Allowable Case Temperature
(Sinusoidal Waveform)
130
180°
125
Max. Case Temperature - Tcase -°C_
600
Max. Power Dissipation Per SCR - Watts
120°
500
60°
400
30°
300
200
0
180
360
120
115
110
105
100
95
90
85
80
LD43N
90°
0
180
360
CONDUCTION ANGLE
15°
15°
30°
60°
90°
120°
180°
100
0
0
100
200
300
CONDUCTION ANGLE
400
500
600
0
100
200
300
400
500
600
Average On-State Current - It(av) - Amperes
Average On-State Current - It(av) - Amperes
Maximum On-State Power Dissipation
(Rectangular Waveform)
900
800
Max. Power Dissipation Per SCR - Watts
700
600
90°
500
400
300
200
0
LD43N
Maximum Allowable Case Temperature
(Rectangular Waveform)
270°
360°
140
130
120
110
100
90
80
70
LD43N
120°
Max. Case Temperature - Tcase -°C
180°
0
CONDUCTION ANGLE
180
360
30°
15°
60°
15°
30°
60°
90°
120°
180°
270°
360°C
100
0
0
100
200
300
400
500
CONDUCTION ANGLE
180
360
60
600
700
800
900
0
100
200
300
400
500
600
700
800
900
Average On-State Current - It(av) - Amperes
Average On-State Current - It(av) - Amperes
Revision Date: 12/04/2002
POWEREX [ POWEREX POWER SEMICONDUCTORS ]
