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Vishay high power products, Hexfred, Ultrafast soft recovery diode, 240 a – C&H Technology HFA240NJ40CPbF User Manual

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Document Number: 94063

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Revision: 01-Aug-08

HFA240NJ40CPbF

Vishay High Power Products

HEXFRED

®

Ultrafast Soft Recovery

Diode, 240 A

Fig. 7 - Typical Stored Charge vs. dI

F

/dt (Per Leg)

Fig. 8 - Typical dI

(rec)M

/dt vs. dI

F

/dt (Per Leg)

Fig. 9 - Maximum Thermal Impedance Z

thJC

Characteristics (Per Leg)

6000

4000

100

1000

dI

F

/dt (A/µs)

Q

rr

(nC)

T

J

= 125 °C

T

J

= 25 °C

2000

1000

3000

0

5000

I

F

= 200 A

I

F

= 120 A

I

F

= 50 A

1000

100

100

1000

dI

F

/dt (A/µs)

dI

(rec)M

/dt (A/µs)

T

J

= 125 °C

T

J

= 25 °C

200 A
120 A
50 A

10 000

0.01

0.1

1

0.00001

0.0001

0.001

0.01

0.1

1

t

1

- Rectangular Pulse Duration (s)

Z

thJC

- Thermal Response

Single pulse

(thermal response)

0.001

10

D = 0.50
D = 0.33
D = 0.25
D = 0.17
D = 0.08