110CNQ045APbF, 110CNQ045ASMPbF
Bulletin PD-21000
01/05
150
Allowable Case Temperature (°C)
50
DC
Average Power Loss (Watts)
140
130
120
40
30
D = 0.75
D = 0.50
D = 0.33
D = 0.25
D = 0.20
RMS Limit
DC
Square wave (D = 0.50)
80% Rated Vr applied
20
10
0
0
10 20 30 40 50 60 70 80
Average Forward Current - I
F(AV)
(A)
Fig. 6 - Forward Power Loss Characteristics
(Per Leg)
110
see note (2)
100
0 10 20 30 40 50 60 70 80 90
Average Forward Current - I
F(AV)
(A)
Fig. 5 - Max. Allowable Case Temperature
Vs. Average Forward Current (Per Leg)
Non-Repetitive Surge Current - I
FSM
(A)
10000
1000
At Any Rated Load Condition
And With Rated Vrrm Applied
Following Surge
100
10
100
1000
10000
Square Wave Pulse Duration - t
p
(microsec)
Fig. 7 - Max. Non-Repetitive Surge Current (Per Leg)
L
HIGH-SPEED
SWITCH
FREE-WHEEL
DIODE
40HFL40S02
Vd = 25 Volt
DUT
IRFP460
Rg = 25 ohm
+
CURRENT
MONITOR
Fig. 8 - Unclamped Inductive Test Circuit
(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
www.irf.com
IRF [ INTERNATIONAL RECTIFIER ]
