C&H Technology ND42__25 - Manual (Page 5)

Powerex, Inc., 173 Pavilion Lane, Youngwood, Pennsylvania 15697 (724) 925-7272 POW-R-BLOK
TM
www.pwrx.com Dual SCR/Diode Isolated Module
250 Amperes / Up to 1600 Volts
Revision Date: 05/17/2010
ND42__25
Maximum On-State Forward Voltage Drop
0.00
1.00
2.00
3.00
4.00
5.00
10 100 1000 10000
Instantaneous On-State Current - Itm - Amperes
O
n-S
ta
te V
oltag
e - V
tm - V
olts
( Tj = 130 °C )
Maximum Transient Thermal Impedance
0
0.02
0.04
0.06
0.08
0.1
0.12
0.14
0.001 0.01 0.1 1 10 100
Time - t - Seconds
Thermal
Im
pedance -
Rj
c -
°C/
W
(Junction to Case, Per Junction)
0 180 360
CONDUCTION ANGLE
M axim um O n-State Power Dissipation
15°
30°
60°
90°
120°
180°
0
50
100
150
200
250
300
0 50 100 150 200 250 300
Av erage On-State C urrent - It/If(av ) - Am peres
M
ax.
P
ow
er D
issi
pa
tio
n P
er S
C
R
- Watts
(Sinusoidal W av eform )
0 180 360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
120°
90°
60°
30° 15°
180°
80
85
90
95
100
105
110
115
120
125
130
0 50 100 150 200 250 300
Average On-State Current - It / If(av) - Amperes
Max. Case Temperature - Tcase -°C
(Sinusoidal Waveform)
0 180 360
CONDUCTION ANGLE
Maximum On-State Power Dissipation
90°
60°
30°
120°
180°
270°
15°
360°
0
50
100
150
200
250
300
350
400
0 50 100 150 200 250 300 350 400 450
Average On-State Current - It / If(av) - Amperes
Max. Power D
issipation Per Junction - Watts
(Rectangular Waveform)
0 180 360
CONDUCTION ANGLE
Maximum Allowable Case Temperature
270°
180°
120°
90° 60°
30°
15°
360°
70
80
90
100
110
120
130
0 50 100 150 200 250 300 350 400 450
Average On-State Current - It / If(av) - Amperes
Max.
Case T
emp
eratu
re - T
case -°C
(Rectangular Waveform)