IRFR/U3504
2.5
2.0
1.5
1.0
0.5
0.0
100
80
60
40
20
0
87A
=
I
D
LIMITED BY PACKAGE
V
= 10V
GS
-60 -40 -20
0
20 40 60 80 100 120 140 160 180
°
25
50
75
100
125
150
175
T , Junction Temperature
(
C)
°
J
T , Case Temperature ( C)
C
Fig 10. Normalized On-Resistance
Fig 9. Maximum Drain Current Vs.
Vs.Temperature
Case Temperature
10
1
D = 0.50
0.20
P
DM
0.10
0.05
0.1
t
1
SINGLE PULSE
(THERMAL RESPONSE)
0.02
0.01
t
2
Notes:
1. Duty factor D =
t
/ t
1
2
2. Peak T
= P
x
Z
+ T
J
DM
thJC
C
0.01
0.00001
0.0001
0.001
0.01
0.1
1
t , Rectangular Pulse Duration (sec)
1
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
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