Pow-r-blok – C&H Technology ND413425 User Manual
Page 5
Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
www.pwrx.com
Dual Diode Isolated Module
250 Amperes / Up to 3400 Volts
Revision Date: 07/13/2010
ND413425
0.00
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.0001
0.001
0.01
0.1
1
10
100
The
rm
al
Im
pe
da
nc
e -
Zj
c -
°C
/W
Time - t - Seconds
Maximum Transient Thermal Impedance
(Junction to Case)
0.0
1.0
2.0
3.0
4.0
5.0
6.0
10
100
1000
10000
O
n
-S
ta
te
V
o
lt
a
g
e
-
V
fm
-
V
o
lts
Instantaneous On-State Current - Ifm - Amperes
Maximum On-State Forward Voltage Drop
( Tj = 150 °C )
60°
90°
120°
180°
0
50
100
150
200
250
300
350
400
450
0 50 100 150 200 250 300
M
a
x
. Pow
e
r Di
ssi
pat
ion P
e
r
Di
od
e
-
W
at
ts
Average On-State Current - If(av) - Amperes
Maximum On-State Power Dissipation
(Sinusoidal Waveform)
60°
90°
120°
180°
90
100
110
120
130
140
150
0 50 100 150 200 250 300
M
a
x
. C
a
s
e
T
e
m
p
e
rat
ur
e
-
T
case
-
°C_
Average On-State Current - It(av) - Amperes
Maximum Allowable Case Temperature
(Sinusoidal Waveform)
60°
90°
120°
180°
360°
0
100
200
300
400
500
600
700
0 50 100 150 200 250 300 350 400 450 500
M
ax.
Po
w
e
r D
issi
pat
io
n
Per
D
iod
e -
W
at
ts
Average On-State Current - If(av) - Amperes
Maximum On-State Power Dissipation
(Rectangular Waveform)
60°
90°
120°
180°
360°C
60
70
80
90
100
110
120
130
140
150
0 50 100 150 200 250 300 350 400 450 500
M
ax.
Case T
e
m
p
e
rat
u
re
-
T
c
ase -
°C
Average On-State Current - If(av) - Amperes
Maximum Allowable Case Temperature
(Rectangular Waveform)