VHFD37-12IO1 View Datasheet(PDF) - IXYS CORPORATION
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Description
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VHFD37-12IO1
IXYS CORPORATION
VHFD37-12IO1 Datasheet PDF : 3 Pages
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VHFD 37
70
A
60
IF 50
40
30
20
10
typ.
TVJ = 125°C
TVJ = 25°C
max.
300
A 50Hz, 80% VRRM
250
IFSM
200
TVJ = 45°C
150
100
TVJ = 125°C
50
0
0.0
0.5
1.0
1.5 V 2.0
VF
Fig. 3 Forward current versus voltage
drop per diode
120
W
100
Ptot
80
60
40
0
0.001
0.01
0.1 s 1
t
Fig. 4 Surge overload current
RthHA :
0.5 K/W
1.0 K/W
1.5 K/W
2.0 K/W
3.0 K/W
4.0 K/W
6.0 K/W
20
103
A2s VR = 0 V
I2t
TVJ = 45°C
TVJ = 125°C
102
101
1
2 3 4 5 6 7 8ms910
t
Fig. 5 I2t versus time per diode
50
A
40
Id(AV)M
30
20
10
0
0
10
20
30
40 A 0 20 40 60 80 100 120 °1C40
IF(AV)M
Tamb
Fig. 6 Power dissipation versus direct output current and ambient temperature
2.0
0
0 20 40 60 80 100 120 °C
TH
Fig. 7 Max. forward current versus
heatsink temperature
K/W
1.5
ZthJH
1.0
Constants for ZthJH calculation:
i
0.5
1
2
3
4
0.0
0.001
0.01
0.1
1
s
10
t
Fig. 8 Transient thermal impedance junction to heatsink
Rthi (K/W)
0.005
0.2
0.875
0.47
ti (s)
0.008
0.05
0.06
0.25
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