Nd42, Pow-r-blok – C&H Technology ND42__21 User Manual
Page 5
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Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272
POW-R-BLOK
TM
www.pwrx.com
Dual SCR/Diode Isolated Module
210 Amperes / Up to 2000 Volts
Revision Date: 05/17/2010
ND42__21
Maximum On-State Forward Voltage Drop
0
0.5
1
1.5
2
2.5
3
3.5
4
10
100
1000
10000
Instantaneous On-State Current - It - Amperes
O
n-
St
at
e V
olt
ag
e -
V
tm
-
V
olt
s
(Tj = 130C)
Maximum Transient Thermal Impedance
0.00
0.02
0.04
0.06
0.08
0.10
0.12
0.14
0.16
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)
0
180
360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
15°
30°
60°
90°
120°
180°
0
100
200
300
0
50
100
150
200
250
Average On-State Current - It(av) - Amperes
Ma
x.
Pow
er
Di
ss
ip
at
io
n
Pe
r SC
R
- W
at
ts_
(Sinusoidal Waveform)
0
180
360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
120°
90°
60°
30°
15°
180°
80
90
100
110
120
130
0
20
40
60
80
100
120
140
160
180
200
220
240
260
Average On-State Current - It(av) - Amperes
M
ax.
Ca
se Tem
per
at
ur
e - Tcas
e -
°C_
(Sinusoidal Waveform)
0
180
360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
270°
180°
120°
90°
60°
30°
15°
360°
60
70
80
90
100
110
120
130
0
50
100
150
200
250
300
350
400
Average On-State Current - It(av) - Amperes
M
ax
. C
ase Tem
per
at
ur
e -
Tc
ase -
°C
_
(Rectangular Waveform)
0
180
360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
360°
15°
270°
180°
120°
30°
60°
90°
0
100
200
300
400
500
0
50
100
150
200
250
300
350
400
Average On-State Current - It(av) - Amperes
M
ax.
Po
wer
D
is
sip
ati
on
Per
S
C
R
- W
att
s_
(Rectangular Waveform)