120LQ100
1
Thermal Response (Z
thJC
)
D = 0.50
0.20
0.1
0.10
0.05
0.02
0.01
0.0001
SINGLE PULSE
(THERMAL RESPONSE)
0.01
0.00001
Notes:
1. Duty factor D = t
1
/ t
2
2. Peak T
J
= P
DM
x Z
thJC
+ T
C
0.1
0.001
0.01
1
P
DM
t
1
t
2
t
1
, Rectangular Pulse Duration (sec)
Fig. 4 - Max. Thermal Impedance Z
thJC
Characteristics
180
160
120LQ100
R thJC = 0.8°C/W
Allowable Case Temprature - (°C)
140
120
DC
100
80
60
40
20
0
0
20
40
60
80
100
120
140
Average Forward Current - I F(AV) (A)
Fig. 5 - Max. Allowable Case Temperature Vs.
Average Forward Current
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TAC Fax: (310) 252-7903
Visit us at www.irf.com for sales contact information.
Data and specifications subject to change without notice. 03/02
4
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IRF [ INTERNATIONAL RECTIFIER ]
