Ld42, Pow-r-blok – C&H Technology LD42__43 User Manual
Page 5
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
Dual SCR/Diode Isolated Module
430 Amperes / Up to 2200 Volts
Revision Date: 11/1/2001
LD42__43
Maximum On-State Forward Voltage Drop
0
1
2
3
4
5
10
100
1000
10000
Instantaneous On-State Current - Itm / Ifm - Amperes
On-
S
ta
te
V
olt
age
-
V
tm /
V
fm -
V
olt
s
( Tj = 125 °C )
Maximum Transient Thermal Impedance
0.000
0.010
0.020
0.030
0.040
0.050
0.060
0.070
0.0001
0.001
0.01
0.1
1
10
100
Time - t - Seconds
Th
er
m
al Im
pe
da
nc
e
- R
jc
-
°C
/W
(Junction to Case, Per Junction)
0
180
360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
15°
30°
60°
90°
120°
180°
0
100
200
300
400
500
600
700
800
0
100
200
300
400
500
Average On-State Current - It(av) / If(av) - Amperes
M
ax
. P
ow
er
Di
ss
ip
at
io
n
Pe
r J
un
cti
on
- Wa
tts
_
(Sinusoidal Waveform)
0
180
360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
120°
90°
60°
30°
15°
180°
70
80
90
100
110
120
130
0
100
200
300
400
500
Average On-State Current - It(av) / If(av)- Amperes
Ma
x. C
as
e Te
mper
ature
- Tca
se -°
C_
(Sinusoidal Waveform)
0
180
360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
90°
60°
30°
120°
180°
270°
15°
360°
0
200
400
600
800
1000
1200
0
100
200
300
400
500
600
700
800
Average On-State Current - It(av) / If(av) - Amperes
M
ax
. P
owe
r D
iss
ip
at
io
n P
er
Ju
nc
tio
n
- W
atts
_
(Rectangular Waveform)
0
180
360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
270°
180°
120°
90°
60°
30°
15°
360°
50
60
70
80
90
100
110
120
130
0
100
200
300
400
500
600
700
800
Average On-State Current - It(av) / If(av) - Amperes
M
ax.
Ca
se
Te
m
pe
ra
ture
- Tc
as
e -°
C_
(Rectangular Waveform)