VS-8AF4NPP Vishay, VS-8AF4NPP Datasheet - Page 3

• 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

Note
• The table above shows the increment of thermal resistance R
Document Number: 93530
Revision: 17-Jun-08
R
CONDUCTION ANGLE
thJC
CONDUCTION
180°
120°
200
190
180
170
160
150
140
90°
60°
30°
0
Fig. 1 - Current Ratings Characteristics
5 10 15 20 25 30 35 40 45 50 55
Average Forward Current (A)
80
70
60
50
40
30
20
10
0
30°
0
SINUSOIDAL CONDUCTION
8AF Series
R
thJC
180°
120°
60°
10
90°
60°
30°
Average Forward Current (A)
(DC) = 0.6 K/W
Conduction Angle
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90°
Pressfit Rectifier Diodes, 50 A
20
0.042
0.045
0.06
0.10
0.15
120°
Fig. 3 - Forward Power Loss Characteristics
180°
30
Conduction Angle
8AF Series
T = 195°C
J
40
RMS Limit
thJC
50
RECTANGULAR CONDUCTION
when devices operate at different conduction angles than DC
60
0
Maximum Allowable Ambient Temperature (°C)
25
0.026
0.043
0.06
0.10
0.15
50
75
200
190
180
170
160
150
140
0
Fig. 2 - Current Ratings Characteristics
100
10
Average Forward Current (A)
125
Vishay Semiconductors
20
30°
TEST CONDITIONS
30
60°
T
150
J
8AF Series
R
= T
90°
thJC
40
120°
J
maximum
(DC) = 0.6 K/W
Conduction Period
50
180°
8AF Series
60
DC
70
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80
UNITS
K/W
3