irfr48z International Rectifier Corp., irfr48z Datasheet - Page 5

• Manufacturer Part Number: irfr48z
• Description: 55v Single N-channel Hexfet Power Mosfet In A I-pak Package
• Manufacturer: International Rectifier Corp.

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0.001
0.01
0.1
10
70
60
50
40
30
20
10
1
0
Fig 9. Maximum Drain Current vs.
1E-006
25
Fig 11. Maximum Effective Transient Thermal Impedance, Junction-to-Case
D = 0.50
0.20
0.02
0.01
0.10
0.05
50
Case Temperature
T C , Case Temperature (°C)
SINGLE PULSE
( THERMAL RESPONSE )
75
LIMITED BY PACKAGE
1E-005
100
125
150
t 1 , Rectangular Pulse Duration (sec)
0.0001
175
τ
J
τ
J
τ
1
Ci= τi/Ri
τ
1
Ci τi/Ri
2.5
2.0
1.5
1.0
0.5
Fig 10. Normalized On-Resistance
-60 -40 -20 0
R
1
R
0.001
1
I D = 37A
V GS = 10V
τ
2
R
τ
2
2
R
T J , Junction Temperature (°C)
2
vs. Temperature
R
τ
3
3
R
20 40 60 80 100 120 140 160 180
τ
3
3
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
τ
C
τ
Ri (°C/W) τi (sec)
0.7206
0.6009
0.3175
0.01
0.000326
0.001810
0.014886
5
0.1