MBRB1045PBF datasheet(4/7 Pages) IRF

4 / 7 page

MBRB10..PbF Series

Bulletin PD-21042 rev. A 06/06

www.irf.com

Fig. 7 - Max. Non-Repetitive Surge Current

Fig. 5 - Max. Allowable Case Temperature

Vs. Average Forward Current

Fig. 6 - Forward Power Loss Characteristics

(2)

Formula used: T

C = TJ - (Pd + PdREV) x RthJC;

Pd = Forward Power Loss = I

F(AV) x VFM @ (IF(AV) / D) (see Fig. 6);

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

120

125

130

135

140

145

150

036

F(AV)

see note (2)

Average Forward Current - I

(A)

Square wave (D = 0.50)

Rated V applied

10121416

F(AV)

RMSLimit

D = 0.20

D = 0.25

D = 0.33

D = 0.50

D = 0.75

Average Forward Current - I

(A)

100

1000

100

1000

10000

At Any Rated Load Condition

And With Rated V

Applied

Following Surge

RRM

Square Wave Pulse Duration - t

(microsec)

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