Document Number: 94109

For technical questions, contact: diodes-tech@vishay.com

www.vishay.com

Revision: 08-Jul-08

3

8EWF..SPbF Soft Recovery Series

Surface Mountable

Fast Soft Recovery Diode, 8 A

Vishay High Power Products

Fig. 1 - Current Rating Characteristics

Fig. 2 - Current Rating Characteristics

Fig. 3 - Forward Power Loss Characteristics

Fig. 4 - Forward Power Loss Characteristics

Fig. 5 - Maximum Non-Repetitive Surge Current

Fig. 6 - Maximum Non-Repetitive Surge Current

150

0

Average Forward Current (A)

1

80

29

110

130

90

3

5

140

4

60

7

8EWF.. S Series

R

Conduction angle

30°

60°

90°

120°

180°

8

6

70

100

120

Ø

150

04

Average Forward Current (A)

8

110

14

120

2

130

140

100

60

6

8EWF..S Series

R

Ø

Conduction period

30°

60°

90°

120°

180°

DC

70

80

90

12

10

2

0

12

0

Average Forward Current (A)

5

6

9

23

1

4

7

4

8

10

180°

120°

90°

60°

30°

Conduction angle

8EWF..S Series

T

RMS limit

8

6

Ø

0

18

0

Average Forward Current (A)

10

14

2

6

14

2

6

16

12

8

4

180°

120°

90°

60°

30°

DC

Ø

Conduction period

8EWF..S Series

T

RMS limit

12

10

8

4

180

1

10

100

Number of Equal Amplitude Half Cycle

Current Pulses (N)

120

80

100

140

160

150

90

110

130

170

At any rated load condition and with

rated V

Initial T

at 60 Hz 0.0083 s

at 50 Hz 0.0100 s

8EWF..S Series

90

0.01

0.1

Pulse Train Duration (s)

140

80

100

110

170

200

1

160

180

8EWF..S Series

Maximum non-repetitive surge current

versus pulse train duration.

Initial T

No voltage reapplied

Rated V

120

130

150

190