70CRU04PBF_11 datasheet(4/7 Pages) VISHAY

Part #	70CRU04PBF

Description	Ultrafast Rectifier, 2 x 35 A FRED Pt

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Manufacturer	VISHAY [Vishay Siliconix]

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

Document Number: 94510

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DiodesAmericas@vishay.com, DiodesAsia@vishay.com, DiodesEurope@vishay.com

Revision: 09-Feb-11

VS-70CRU04PbF

Vishay Semiconductors Ultrafast Rectifier, 2 x 35 A FRED Pt®

Fig. 5 - Maximum Allowable Case Temperature vs.

Average Forward Current

Fig. 6 - Forward Power Loss Characteristics

Fig. 7 - Typical Reverse Recovery Time vs. dIF/dt

Fig. 8 - Typical Stored Charge vs. dIF/dt

Note

(1) Formula used: TC = TJ - (Pd + PdREV) x RthJC;

Pd = Forward power loss = IF(AV) x VFM at (IF(AV)/D) (see fig. 6);

PdREV = Inverse power loss = VR1 x IR (1 - D); IR at VR1 = Rated VR

I

F(AV) - Average Forward Current (A)

20

15

10

530

25

35

40

0

140

160

170

180

100

120

130

150

110

Square wave (D = 0.50)

Rated V

R applied

See note (1)

DC

I

F(AV) - Average Forward Current (A)

20

25

30

15

10

5

35

0

40

0

20

30

10

35

15

25

5

D = 0.01

D = 0.02

D = 0.05

D = 0.10

D = 0.20

D = 0.50

DC

RMS limit

dIF/dt (A/µs)

100

1000

50

150

80

100

120

130

140

70

60

90

110

I

F = 35 A

V

RR = 200 V

T

J = 25 °C

T

J = 125 °C

dIF/dt (A/µs)

100

1000

0

2500

1000

1500

2000

500

I

F = 35 A

V

RR = 200 V

T

J = 25 °C

T

J = 125 °C

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