IRU120 データシートの表示（PDF） - International Rectifier

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IRU120

Ultrafast Rectifier

International Rectifier 

MURS120

Bulletin PD-20753 rev. E 05/02

180

170

DC

160

Square wave (D = 0.50)

Rated Vr applied

150

see note (3)

140

0

0.4

0.8

1.2

1.6

Average Forward Current - IF(AV) (A)

Fig. 5 - Max. Allowable Lead Temperature

Vs. Average Forward Current

100

Tj = 25˚C

10

Vr = 30V

If = 1A

1

100

1000

di F /dt (A/µs )

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

1

0.8

RMS Limit

0.6

D = 0.01

D = 0.02

0.4

D = 0.05

D = 0.1

D = 0.2

0.2

D = 0.5

DC

0

0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6

Average Forward Current - IF(AV) (A)

Fig. 6 - Forward Power Loss Characteristics

10

Tj = 25˚C

Vr = 30V

If = 1A

1

100

1000

di F /dt (A/µs )

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

(3) 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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