11DQ03, 11DQ04
PD-2.287 rev. B 02/2000
150
Allowable Case Temperature - (°C)
Average Power Loss - (Watts)
0.8
D = 0.20
D = 0.25
D = 0.33
D = 0.50
D = 0.75
RMS Limit
DC
120
DC
0.6
90
0.4
60
Square wave (D = 0.50)
80% Rated V applied
R
30
see note (2)
0.2
0
0
0.3
0.6
0.9
1.2
1.5
Average Forward Current - I
F
(AV)
(A)
Fig. 4 - Max. Allowable Case Temperature
Vs. Average Forward Current
0
0
0.3
0.6
0.9
1.2
1.5
Average Forward Current - I
F
(AV)
(A)
Fig. 5- Forward Power Loss Characteristics
Non-Repetitive Surge Current - I
FSM
(A)
1000
At Any Rated Load Condition
And With Rated VRRM Applied
Following Surge
100
10
10
100
1000
10000
Square Wave Pulse Duration - t
p
(microsec)
Fig. 6 - Max. Non-Repetitive Surge Current
(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
= 80% rated V
R
4
IRF [ INTERNATIONAL RECTIFIER ]
