Document Number: 93530

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Revision: 17-Jun-08

3

8AF Series

Pressfit Rectifier Diodes, 50 A

Vishay Semiconductors

Note

Fig. 1 - Current Ratings Characteristics

Fig. 2 - Current Ratings Characteristics

Fig. 3 - Forward Power Loss Characteristics

R

CONDUCTION ANGLE

SINUSOIDAL CONDUCTION

RECTANGULAR CONDUCTION

TEST CONDITIONS

UNITS

180°

0.042

0.026

K/W

120°

0.045

0.043

90°

0.06

0.06

60°

0.10

0.10

30°

0.15

0.15

140

150

160

170

180

190

200

0

5 10 15 20 25 30 35 40 45 50 55

30°

60°

90°

120°

180°

Conduction Angle

8AF Series

R

(DC) = 0.6 K/W

thJC

Average Forward Current (A)

140

150

160

170

180

190

200

0

102030

4050

6070

80

DC

30°

60°

90°

120°

180°

Conduction Period

Average Forward Current (A)

8AF Series

R

(DC) = 0.6 K/W

thJC

0

25

50

75

100

125

150

R

=

1

K/W

- D

elta

R

1.5

K/W

2 K

/W

3 K

/W

5 K/W

10 K/W

15 K/W

Maximum Allowable Ambient Temperature (°C)

0

10

20

30

40

50

60

70

80

010

20

30

40

50

60

Average Forward Current (A)

RMS Limit

Conduction Angle

180°

120°

90°

60°

30°

8AF Series

T = 195°C

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