Document Number: 93513

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Revision: 23-Jun-08

5

40HF(R) Series

Standard Recovery Diodes,

(Stud Version), 40 A

Vishay High Power Products

Fig. 8 - Forward Power Loss Characteristics

Fig. 9 - Maximum Non-Repetitive Surge Current

Fig. 10 - Maximum Non-Repetitive Surge Current

Fig. 11 - Forward Voltage Drop Characteristics

(Up To 1200 V)

Fig. 12 - Forward Voltage Drop Characteristics

(For 1400 V/1600 V)

Average Forward Current (A)

Maximum Allowable Ambient Temperature (°C)

040

80

120

160

10 K/W

1.5

K/W

2 K/W

3 K/W

5 K/W

7 K/W

0

10

20

30

40

50

60

70

0

10203040506070

DC

180°

120°

90°

60°

30°

RMS Limit

Conduction Period

40HF(R) Series

(1400V, 1600V)

Tj = 160°C

Number Of Equal Amplitude Half Cycle Current Pulses (N)

100

150

200

250

300

350

400

450

500

550

110

100

40HF(R) Series

Initial Tj = Tj Max.

@ 60 Hz 0.0083 s

@ 50 Hz 0.0100 s

At Any Rated Load Condition And With

Rated Vrrm Applied Following Surge.

Pulse Train Duration (s)

100

150

200

250

300

350

400

450

500

550

600

0.01

0.1

1

Maximum Non Repetitive Surge Current

40HF(R) Series

Initial Tj = Tj Max.

No Voltage Reapplied

Rated Vrrm Reapplied

Versus Pulse Train Duration.

Instantaneous Forward Voltage (V)

1

10

100

1000

0.5 1 1.5 2 2.5 3 3.5 4 4.5 5

40HF(R) Series

up to 1200V

Tj = 25°C

Tj = Tj Max.

Instantaneous Forward Voltage (V)

1

10

100

1000

00.5

11.5

22.5

3

3.5

4

Tj = 25°C

Tj = Tj Max

40HF (R) Series