MBRS360TR

Bulletin PD-20586 rev. C 03/03

4

www.irf.com

Fig. 4 - Maximum Average Forward Current

Vs. Allowable Lead Temperature

Fig. 5 - Maximum Average Forward Dissipation

Vs. Average Forward Current

Fig. 6 - Maximum Peak Surge Forward Current Vs. Pulse Duration

(2) Formula used: T

C

= T

J

- (Pd + Pd

REV

) x R

thJC

;

Pd = Forward Power Loss = I

F(AV)

x V

FM

@ (I

D) (see Fig. 6);

Pd

REV

= Inverse Power Loss = V

R1

x I

R

(1 - D); I

R

@ V

R1

= 80% rated V

R

Average Forward Current - I

F(AV)

(A)

Average Forward Current - I

F(AV)

(A)

Square Wave Pulse Duration - T

p

(Microsec)

60

70

80

90

100

110

120

130

140

150

160

012345

DC

Square wave (D = 0.50)

Rated Vr applied

see note (2)

D=0.20

D=0.25

D=0.33

D=0.50

D=0.75

0

0.5

1

1.5

2

2.5

3

01

234

5

DC

RMS Limit

D = 0.20

D = 0.25

D = 0.33

D = 0.50

D = 0.75

DC

10

100

1000

10

100

1000

10000

At Any Rated Load Condition

And With rated Vrrm Applied

Following Surge