Vishay semiconductors, Standard recovery diodes, 400 a preliminary – Vishay VSMD400AW60 User Manual
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Document Number: 93469
4
Revision: 21-Dec-10
VSMD400AW60, VSMD400CW60
Vishay Semiconductors
Standard Recovery Diodes, 400 A
Preliminary
Fig. 6 - Forward Power Loss Characteristics
Fig. 7 - Forward Voltage Drop Characteristics Per Leg
Fig. 8 - Thermal Impedance Z
thJC
Characteristics Per Leg
Maximum On-
S
tate Forwar
d
Power Loss (W)
Average Forward Current Per Leg (A)
40
80
160
240
120
200
280
320
0
0
450
350
300
400
250
200
150
50
100
180°
120°
90°
60°
30°
RMS limit
Ø
Conduction angle
DC
Maximum Average On-State
Power Loss (W)
Maximum Allowable Ambient
Temperature (°C)
20
40
60
100
140
80
120
160
0
450
350
300
400
250
200
150
100
50
0
3 °C/W
1 °C/W
0.5 °C/W
0.3 °C/W
0.2 °C/W
R
thSA
= 0.1 °C/W
0.7 °C/W
Instantaneous Forward Current (A)
Instantaneous Forward Voltage (V)
0
0.5
1.0
1.5
2.0
2.5
3.0
1
10
1000
100
T
J
= 175 °C
T
J
= 25 °C
0.001
0.001
0.1
10
1
Square Wave Pulse Duration (s)
Z
thJC
- Transient Thermal
Impedance (°C/W)
0.01
0.1
1
VSMD400..W60
Steady state value
R
thJC
= 0.10 °C/W
0.001