IRFR/U3504ZPbF
80
2.0
RDS(on) , Drain-to-Source On Resistance
(Normalized)
LIMITED BY PACKAGE
ID = 42A
VGS = 10V
ID , Drain Current (A)
60
1.5
40
1.0
20
0
25
50
75
100
125
150
175
T C , Case Temperature (°C)
0.5
-60 -40 -20
0
20 40 60 80 100 120 140 160 180
T J , Junction Temperature (°C)
Fig 9.
Maximum Drain Current Vs.
Case Temperature
Fig 10.
Normalized On-Resistance
Vs. Temperature
10
Thermal Response ( Z thJC )
1
D = 0.50
0.20
0.10
0.1
0.05
0.02
0.01
τ
J
R
1
R
1
τ
J
τ
1
τ
2
R
2
R
2
τ
C
τ
Ri (°C/W)
τi
(sec)
1.117
0.000536
0.5422
0.004428
τ
1
τ
2
0.01
Ci=
τi/Ri
Ci= i/Ri
SINGLE PULSE
( THERMAL RESPONSE )
0.001
1E-006
1E-005
0.0001
0.001
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
0.01
0.1
t1 , Rectangular Pulse Duration (sec)
Fig 11.
Maximum Effective Transient Thermal Impedance, Junction-to-Case
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KERSEMI [ Kersemi Electronic Co., Ltd. ]
