Document Number: 93141

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Revision: 22-Oct-08

3

20ETF..S Soft Recovery Series

Fast Soft Recovery

Rectifier Diode, 20 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)

5

100

10

25

120

130

110

15

20

140

Conduction angle

20ETF.. Series

R

30°

60°

90°

120°

180°

Ø

150

025

Average Forward Current (A)

15

530

110

35

120

100

10

20

130

140

20ETF.. Series

R

Ø

Conduction period

30°

60°

90°

120°

180°

DC

10

0

35

0

Average Forward Current (A)

20

25

25

30

20

10

15

5

5

15

Conduction angle

20ETF.. Series

T

RMS limit

180°

120°

90°

60°

30°

Ø

10

0

45

0

Average Forward Current (A)

25

35

15

10

25

5

15

5

20

35

20

30

40

30

RMS limit

Ø

Conduction period

20ETF.. Series

T

180°

120°

90°

60°

30°

DC

350

50

1

10

100

Number of Equal Amplitude Half Cycle

Current Pulses (N)

200

100

150

250

At any rated load condition and with

rated V

Initial T

at 60 Hz 0.0083 s

at 50 Hz 0.0100 s

20ETF.. Series

300

150

50

0.01

0.1

1

Pulse Train Duration (s)

300

100

200

250

350

400

20ETF.. Series

Maximum non-repetitive surge current

versus pulse train duration.

Initial T

No voltage reapplied

Rated V