VS-8AF4NPP Vishay, VS-8AF4NPP Datasheet - Page 4

• Manufacturer Part Number: VS-8AF4NPP
• Description: Diodes - General Purpose, Power, Switching 400 Volt 50 Amp
• Manufacturer: Vishay

Specifications of VS-8AF4NPP

• Product Category: Diodes - General Purpose, Power, Switching
• Rohs: yes
• Product: General Purpose Diodes
• Peak Reverse Voltage: 400 V
• Forward Continuous Current: 50 A
• Max Surge Current: 747 A
• Forward Voltage Drop: 1.45 V
• Maximum Reverse Leakage Current: 5 mA
• Mounting Style: Stud
• Package / Case: B-47
• Maximum Operating Temperature: + 195 C
• Minimum Operating Temperature: - 65 C

8AF Series
Vishay Semiconductors
www.vishay.com
4
Fig. 5 - Maximum Non-Repetitive Surge Current
Fig. 6 - Maximum Non-Repetitive Surge Current
700
650
600
550
500
450
400
350
300
250
200
150
750
700
650
600
550
500
450
400
350
300
250
200
150
Number Of Equal Amplitude Half Cycle Current Pulses (N)
0.01
1
Maximum Non Repetitive Surge Current
8AF Series
8AF Series
At Any Rated Load Condition And With
Rated V
Pulse Train Duration (s)
RRM
90
80
70
60
50
40
30
20
10
Versus Pulse Train Duration.
0
0
Applied Following Surge.
Rated V
0.1
10
No Voltage Reapplied
180°
120°
10
90°
60°
30°
DC
@ 60 Hz 0.0083 s
@ 50 Hz 0.0100 s
Average Forward Current (A)
Initial T = 195 °C
Initial T = 195°C
20
RRM
For technical questions, contact: [e-mail]
J
30
Reapplied
J
Fig. 4 - Forward Power Loss Characteristics
40
Pressfit Rectifier Diodes, 50 A
100
Conduction Period
1
50
8AF Series
T = 195°C
J
60
RMS Limit
70
80
0
Maximum Allowable Ambient Temperature (°C)
25
50
Fig. 8 - Thermal Impedance Z
1000
75
0.01
100
Fig. 7 - Forward Voltage Drop Characteristics
0.1
10
0.001
1
1
0
100
Steady State Value
(DC Operation)
Instantaneous Forward Voltage (V)
1
Square Wave Pulse Duration (s)
125
0.01
2
150
T = 25°C
T = 195°C
J
J
3
0.1
8AF Series
4
Document Number: 93530
thJC
8AF Series
5
1
Characteristics
Revision: 17-Jun-08
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10
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