Document Number: 93184

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

www.vishay.com

Revision: 19-May-10

11

T40HFL, T70HFL, T85HFL Series

Fast Recovery Diodes

(T-Modules), 40 A/70 A/85 A

Vishay Semiconductors

Fig. 40 - Frequency Characteristics

Fig. 41 - Frequency Characteristics

Fig. 42 - Maximum Forward Energy Power Loss Characteristics

1E1

1E2

1E3

1E4

1E1

1E2

1E3

1E4

50 Hz

400

1000

200

1500

2500

10000

20000

5000

Pulse Basewidth (µs)

tp

1E4

T70HFL.. Series

Sinusoid a l Pulse

T = 70°C

C

1E1

1E2

1E3

1E4

50 Hz

400

1000

200

1500

2500

5000

Pulse Basewidth (µs)

tp

1E1

T70HFL.. Series

Tra pezoida l Pulse

T = 70°C

C

1E1

1E2

1E3

1E4

1E1

1E2

1E3

1E4

50 Hz

400

1000

200

1500

2500

10000

20000

5000

Pulse Basewidt h (µs)

tp

1E4

T70HFL.. Series

Sinusoid al Pulse

T = 90°C

C

1E1

1E2

1E3

1E4

50 Hz

400

1000

200

1500

2500

5000

Pulse Basewidth (µs)

tp

1E1

T70HFL.. Series

Tra pezoida l Pulse

T = 90°C

C

1E0

1E1

1E2

1E3

1E4

1E1

1E2

1E3

1E4

0.01

0.02

0.04

0.1

0.2

0.4

1

2

4

10

20 joules per pulse

Pulse Basewidth (µs)

tp

1E4

T70HFL.. Series

Sinusoid al Pulse

T = 125°C

J

1E11E2

1E31E4

0.1

20 joules per pulse

10

4

2

1

0.4

0.2

0.04

0.02

0.01

T70HFL.. Series

Trapezoid a l pulse

T = 125°C

di/ dt = 50A/ µs

Pulse Basewidth (µs)

1E1

tp

J