VW 2x45
140
300
W
120
A
250
50 Hz
80 % V RRM
P tot
100
80
R thKA K/W
0.5
1
1.5
2
3
I TSM
200
150
T VJ = 45°C
60
4
6
100
40
20
Circuit
W3C2
50
T VJ = 125°C
1x VW2x45
0
0
0
10
20
30
40
A 0
25
50
75
100
125 °C 150
0.001
0.01
0.1
s
1
140
W
120
I RMS
Fig. 5 Load current capability for two phase AC controller
T A
1000
t
Fig. 6 Surge overload current
V R = 0V
I t
P tot
100
80
R thKA K/W
0.5
1
1.5
2
2
A 2 s
T VJ = 45°C
3
60
40
20
0
Circuit
B2C
2x VW2x45
4
6
100
T VJ = 125°C
0
10
20
30
40
A 0
25
50
75
100
125 °C 150
1
ms 10
I TAVM
T A
t
Fig. 7 Power dissipation vs. direct output current and ambient temperature
Fig. 8 I2t vs. time (per thyristor)
1.8
K/W
1.5
Z thJK
1.2
cyclo converter, four quadrant operation
Constants for
Z thJK calculation:
R thi / (K/W) t i / (s)
0.018 0.002
0.041 0.013
30°
DC
I TAVM
35
A
30
25
DC
180° sin
120°
60°
G
1.181
0.31
0.16
0.98
20
30°
0.9
R thJK for various
conduction angles:
15
0.6
0.3
0.0
R thJK / (K/W)
1.55
1.62
1.66
1.71
1.76
d:
DC
180°
120°
60°
30°
10
5
0
0.001
0.01
0.1
1
s
10
0
25
50
75
100
125 °C
t
Fig. 9 Transient thermal impedance junction to heatsink (per thyristor)
IXYS reserves the right to change limits, test conditions and dimensions
? 2008 IXYS All rights reserved
T C
Fig. 10 Maximum forward current
at case temperature
20080828a
3-3
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