Document Number: 94096

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

www.vishay.com

Revision: 15-Apr-08

3

20ETF..PbF 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

80

70

150

06

Average Forward Current (A)

4

28

110

10

22

130

90

140

120

30°

60° 90° 120° 180°

20ETF.. Series

R

Conduction angle

12 14 16 18 20

100

Ø

90

80

150

025

Average Forward Current (A)

15

530

110

35

120

100

10

20

130

140

20ETF.. Series

R

30°

60°

90°

120°

180°

DC

Ø

Conduction period

10

0

35

0

Average Forward Current (A)

20

25

25

20

10

15

5

5

15

30

RMS limit

20ETF.. Series

T

Conduction angle

180°

120°

90°

60°

30°

Ø

5

0

45

0

Average Forward Current (A)

30

25

35

30

10

10

20

35

5

15

25

15

20

40

180°

120°

90°

60°

30°

DC

RMS limit

20ETF.. Series

T

Ø

Conduction period

300

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

400

150

50

0.001

0.01

1

Pulse Train Duration (s)

300

100

200

250

350

550

Maximum non-repetitive surge current

versus pulse train duration.

Initial T

No voltage reapplied

Rated V

20ETF.. Series

0.1

500

450