IRFR4105ZPBF Datasheet, PDF (5/11 Pages) International Rectifier – AUTOMOTIVE MOSFET

IRFR/U4105ZPbF
30
25
20
15
10
5
0
25
50
75
100 125 150 175
TJ , Junction Temperature (°C)
Fig 9. Maximum Drain Current Vs.
Case Temperature
2.5
ID = 18A
VGS = 10V
2.0
1.5
1.0
0.5
-60 -40 -20 0 20 40 60 80 100 120 140 160 180
TJ , Junction Temperature (°C)
Fig 10. Normalized On-Resistance
Vs. Temperature
10
D = 0.50
1
0.20
0.10
0.05
0.1
0.02
0.01
0.01
SINGLE PULSE
( THERMAL RESPONSE )
τ_{J τJ}
τ_{1 τ1}
R_1R1
Ci= τi/Ri
Ci= i/Ri
R_2R2
τ_{2 τ2}
0.001
1E-006
1E-005
0.0001
t1 , Rectangular Pulse Duration (sec)
R_{3R3 Ri (°C/W) τi (sec)}
τ_{Cτ 1.100 0.000174}
τ_{3 τ3}
1.601 0.000552
0.418 0.007193
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
0.001
0.01
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
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