MUR820(2004) Ver la hoja de datos (PDF) - International Rectifier

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componentes Descripción

Fabricante

MUR820
(Rev.:2004)

Ultrafast Rectifier

International Rectifier 

MUR820PbF

Bulletin PD-20898 12/04

180

170

160

DC

150 Square wave (D = 0.50)

Rated Vr applied

140

see note (2)

130

0

3

6

9

12

Average Forward Current - IF(AV)(A)

Fig. 5 - Max. Allowable Case Temperature

Vs. Average Forward Current

50

IF = 16A

IF = 8 A

40

IF = 4 A

30

20

10

100

VR = 160V

TJ = 125˚C

TJ = 25˚C

di F /dt (A/µs )

1000

Fig. 7 - Typical Reverse Recovery vs. di F /dt

10

8

6

4 RMS Limit

DC

2

D = 0.01

D = 0.02

D = 0.05

D = 0.10

D = 0.20

D = 0.50

0

0

3

6

9

12

Average Forward Current - IF(AV)(A)

Fig. 6 - Forward Power Loss Characteristics

200

VR = 160V

TJ = 125˚C

TJ = 25˚C

160 IF = 16A

IF = 8 A

IF = 4 A

120

80

40

0

100

di F /dt (A/µs )

1000

Fig. 8 - Typical Stored Charge vs. di F /dt

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

Pd = Forward Power Loss = IF(AV) x VFM @ (IF(AV) / D) (see Fig. 6);

PdREV = Inverse Power Loss = VR1 x IR (1 - D); IR @ VR1 = rated VR

4

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