Ld43, Pow-r-blok – C&H Technology LD43__43 User Manual
Page 5
Powerex, Inc., Hillis Street, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
Dual SCR Isolated Module
430 Amperes / 1800-2200 Volts
Revision Date: 11/1/2001
LD43__43
Maximum On-State Forward Voltage Drop
0
1
2
3
4
5
10
100
1000
10000
Instantaneous On-State Current - Itm - Amperes
O
n-
S
tat
e
V
ol
tag
e
- V
tm -
V
ol
ts
( 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
pedance -
R
jc -
°C
/W
(Junction to Case)
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 - Itm(av) - Amperes
Max. P
ow
er
D
is
si
pat
io
n P
er
S
CR
-
Wat
ts
_
(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) - Amperes
M
ax.
C
as
e T
em
per
at
ur
e
- T
ca
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) - Amperes
M
ax
. Pow
er
Di
ss
ip
at
io
n Pe
r SC
R -
W
at
ts
_
(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) - Amperes
M
ax
. C
ase Tem
pera
tu
re -
Tc
as
e -°C
_
(Rectangular Waveform)