Document Number: 94095

For technical questions within your region, please contact one of the following:

www.vishay.com

Revision: 06-Aug-10

3

20ETF..FPPbF Soft Recovery Series

Fast Soft Recovery

Rectifier Diode, 20 A

Vishay Semiconductors

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

90

80

150

0

15

Average Forward Current (A)

10

520

110

25

130

100

140

120

20ETF.. Series

R

Conduction angle

30°

60° 90° 120° 180°

Ø

90

80

150

025

Average Forward Current (A)

15

530

110

35

120

100

10

20

130

140

30°

60°

90°

120°

180°

DC

20ETF.. Series

R

Ø

Conduction period

10

0

35

0

Average Forward Current (A)

20

20

25

25

15

10

15

5

5

30

180°

120°

90°

60°

30°

20ETF.. Series

T

Conduction angle

RMS limit

Ø

10

0

45

0

Average Forward Current (A)

25

25

35

35

15

10

15

40

520

30

180°

120°

90°

60°

30°

DC

RMS limit

Ø

Conduction period

20ETF.. Series

T

30

20

5

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.

20ETF.. Series

Initial T

No voltage reapplied

Rated V

0.1

450

500