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Document Number: 93165

4

Revision: 12-Jun-08

VSKDL450..S20 Series

Vishay High Power Products

Fast Diodes, 460 A

Fig. 1 - Current Ratings Characteristics

Fig. 2 - Current Ratings 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

60

70

80

90

100

110

120

130

140

150

0

100

200

300

400

500

30°

60°

90°

120°

180°

Conduction Angle

Average Forward Current (A)

VSKDL450.. Series

R

(DC) = 0.065 K/ W

thJC

60

70

80

90

100

110

120

130

140

150

0

100 200 300 400 500 600 700 800

DC

30°

60°

90°

120°

180°

Cond uction Period

Average Forward Current (A)

VSKDL450.. Series

R

(DC) = 0.065 K/ W

thJC

0

100

200

300

400

500

600

700

800

900

0

50 100 150 200 250 300 350 400 450

Average Forward Current (A)

RMSLimit

Cond uc tion Angle

180°

120°

90°

60°

30°

VSKDL450.. Series

Per Junc tion

T = 150°C

J

0

200

400

600

800

1000

1200

0

100 200 300 400 500 600 700 800

DC

180°

120°

90°

60°

30°

Average Forward Current (A)

RMSLimit

Conduc tion Period

VSKDL450.. Series

Per Junc tion

T = 150°C

J

3000

4000

5000

6000

7000

8000

9000

10000

11000

12000

110

100

Numb er Of Equa l Amplitude Half Cyc le Curre nt Pulses (N)

VSKDL450.. Series

Per Junc tion

Initial T = 150°C

@60 Hz 0.0083 s

@50 Hz 0.0100 s

At Any Ra ted Load Cond ition And With

Ra ted V

Ap plied Following Surge.

RRM

J

3000

4000

5000

6000

7000

8000

9000

10000

11000

12000

13000

14000

0.01

0.1

1

Pulse Train Duration (s)

Maximum Non Repetitive Surge Current

VSKDL450.. Series

Per Junc tion

Initial T = 150°C

No Voltage Reapplied

Rated V

Reapplied

RRM

Versus Pulse Train Duration.

J