MBR340 datasheet(4/5 Pages) IRF

4 / 5 page

MBR350, MBR360

Bulletin PD-20594 rev. B 03/03

www.irf.com

Fig. 6 - Max. Non-Repetitive Surge Current

Fig. 5- Forward Power Loss

Characteristics

(2) Formula used: T

= T

- (Pd + Pd

REV

) x R

thJC

;

Pd = Forward Power Loss = I

F(AV)

x V

@ (I

F(AV) /

D) (see Fig. 6);

REV

= Inverse Power Loss = V

x I

(1 - D); I

@ V

= 80% rated V

Fig. 4 - Max. Allowable Lead Temperature

Vs. Average Forward Current

Average Forward Current - I

F(AV)

(A)

Average Forward Current - I

F(AV)

(A)

Square Wave Pulse Duration - t

p (microsec)

0.5

1.5

2.5

0 0.5 1 1.5 2 2.5 3 3.5 4 4.5 5

RMS Limit

D = 0.20

D = 0.25

D = 0.33

D = 0.50

D = 0.75

100

1000

100

1000

10000

At Any Rated Load Condition

And With rated Vrrm Applied

Following Surge

100

120

140

160

012345

Square wave (D = 0.50)

80% Rated Vr applied

see note (2)

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