IRFR/U3704Z
60
Limited By Package
2.5
50
ID, Drain Current (A)
VGS(th) Gate threshold Voltage (V)
2.0
40
30
1.5
ID = 250µA
20
1.0
10
0
25
50
75
100
125
150
175
T C , Case Temperature (°C)
0.5
-75 -50 -25
0
25
50
75 100 125 150 175 200
T J , Temperature ( °C )
Fig 9.
Maximum Drain Current vs.
Case Temperature
Fig 10.
Threshold Voltage vs. Temperature
10
Thermal Response ( Z thJC )
D = 0.50
1
0.20
0.10
0.05
0.1
R
1
R
1
τ
J
τ
1
τ
2
R
2
R
2
R
3
R
3
τ
3
R
4
R
4
τ
C
τ
τ
2
τ
3
τ
4
τ
4
Ri (°C/W)
0.8190
1.6018
0.6592
0.0418
τi
(sec)
0.000092
0.000698
0.009033
0.046618
0.02
0.01
SINGLE PULSE
( THERMAL RESPONSE )
τ
J
τ
1
0.01
Ci=
τi/Ri
Ci i/Ri
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
0.001
1E-006
1E-005
0.0001
0.001
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. ]
