Vishay semiconductors, Standard recovery diodes, 400 a, Preliminary – Vishay VSMD400AW60 User Manual
Page 3

Document Number: 93469
For technical questions, contact:
www.vishay.com
Revision: 21-Dec-10
3
VSMD400AW60, VSMD400CW60
Standard Recovery Diodes, 400 A
Vishay Semiconductors
Preliminary
Fig. 1 - Current Ratings Characteristics Per Leg
Fig. 2 - Current Ratings Characteristics Per Leg
Fig. 3 - Maximum Non-Repetitive Surge Current Per Leg
Fig. 4 - Maximum Non-Repetitive Surge Current Per Leg
Fig. 5 - Forward Power Loss Characteristics
Maximum Allowable Case
Temperature (°C)
Average Forward Current Per Leg (A)
40
80
120
160
200
220
0
110
130
150
180
100
120
140
170
160
90
Conduction angle
Ø
30°
60°
90°
120°
180°
Maximum Allowable Case
Temperature (°C)
Average Forward Current Per Leg (A)
200
150
100
50
250
300
350
0
120
140
160
180
90
100
130
150
170
110
Ø
Conduction angle
30°
60°
90°
120°
180°
DC
Peak Half Sine Wave
Forward Current (A)
Number of Equal Amplitude Half
Cycle Current Pulses (N)
10
100
1
2300
2500
2100
1900
1700
1500
1300
1100
900
700
500
60 Hz 0.0083 s
50 Hz 0.0100 s
Peak Half
S
ine Wave
Forwar
d
Current (A)
Pulse Train Duration (s)
1
0.1
0.01
500
700
900
1100
1300
1500
1700
1900
2100
2300
2500
Rated V
RRM
reapplied
No voltage reapplied
Maximum Average On-
S
tate
Power Loss (W)
Average Forward Current Per Leg (A)
40
80
120
160
200
0
0
350
300
250
200
150
50
100
RMS limit
180°
120°
90°
60°
30°
Conduction angle
Ø
Maximum Average On-State
Power Loss (W)
Maximum Allowable Ambient
Temperature (°C)
25
50
75
125
175
100
150
200
0
350
300
250
200
150
100
50
0
3 °C/W
1 °C/W
1.5 °C/W
0.5 °C/W 0.3 °C/W
R
thSA
= 0.1 °C/W
0.7 °C/W