Datasheet

MBR2045CT, MBRB2045CT, MBR2045CT-1
Bulletin PD-2.320 rev. D 07/03
4 www.irf.com
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
(2) Formula used: T
C
= T
J
- (Pd + Pd
REV
) x R
thJC
;
Pd = Forward Power Loss = I
F(AV)
x V
FM
@ (I
F(AV)
/ D) (see Fig. 6);
Pd
REV
= Inverse Power Loss = V
R1
x I
R
(1 - D); I
R
@ V
R1
= rated V
R
120
125
130
135
140
145
150
03691215
DC
Allowable Case Temperature - (°C)
F( A V )
see note (2)
Average Forward Current - I (A)
Sq uare wa ve (D = 0.50)
Rated V applied
R
0
2
4
6
8
10
0 2 4 6 8 10 12 14 16
DC
Average Power Loss - (Watts)
F(AV)
RM S Li m it
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
Average Forward Current - I (A)
100
1000
10 100 1000 10000
FSM
Non-Repetitive Surge Current - I (A)
p
At Any Rated Load Condition
And With Rated V Applied
Following Surge
RRM
Squa re Wa ve Pulse Duration - t (mic rosec )