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IRF6641TR1PBF Datasheet, PDF (3/9 Pages) International Rectifier – DirectFET TM MOSFET | |||
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IRF6641TRPbF
Absolute Maximum Ratings
PD @TA = 25°C
PD @TA = 70°C
PD @TC = 25°C
TP
TJ
TSTG
e Power Dissipation
e Power Dissipation
f Power Dissipation
Parameter
Peak Soldering Temperature
Operating Junction and
Storage Temperature Range
Thermal Resistance
RθJA
RθJA
RθJA
RθJC
RθJ-PCB
Parameter
el Junction-to-Ambient
jl Junction-to-Ambient
kl Junction-to-Ambient
fl Junction-to-Case
Junction-to-PCB Mounted
Max.
2.8
1.8
89
270
-40 to + 150
Typ.
âââ
12.5
20
âââ
1.0
Max.
45
âââ
âââ
1.4
âââ
Units
W
°C
Units
°C/W
100
D = 0.50
10
0.20
0.10
0.05
1
0.02
0.01
0.1
0.01
SINGLE PULSE
( THERMAL RESPONSE )
ÏJ ÏJ
Ï1 Ï1
R 1R1
Ci= Ïi/Ri
Ci= Ïi/Ri
R2R 2
Ï2 Ï2
R 3R 3
Ï3 Ï3
0.001
1E-006 1E-005 0.0001
0.001
0.01
0.1
1
t1 , Rectangular Pulse Duration (sec)
R4R4 Ri (°C/W) Ïi (sec)
ÏAÏA 0.6784
0.001268
Ï4 Ï4
17.299 0.033387
17.566 0.508924
9.4701 11.19309
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthja + Tc
10
100
1000
Fig 3. Maximum Effective Transient Thermal Impedance, Junction-to-Ambient Â
Notes:
 Surface mounted on 1 in. square Cu board, steady state.
 Mounted on minimum footprint full size board with metalized
 TC measured with thermocouple incontact with top (Drain) of part. back and with small clip heatsink.
 Used double sided cooling, mounting pad with large heatsink.
 Rθ is measured at TJ of approximately 90°C.
 Surface mounted on 1 in. square Cu
board (still air).
www.irf.com
 Mounted on minimum footprint full size board with metalized
back and with small clip heatsink. (still air)
3
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