參數(shù)資料
型號(hào): IRF6648
廠(chǎng)商: International Rectifier
英文描述: DirectFET Power MOSFET
中文描述: DirectFET功率MOSFET
文件頁(yè)數(shù): 3/9頁(yè)
文件大小: 266K
代理商: IRF6648
www.irf.com
3
Fig 1.
Maximum Effective Transient Thermal Impedance, Junction-to-Case
Note
Surface mounted on 1 in. square Cu, steady state (still air).
Used double sided cooling,
with small clip heatsink (still air).
1 in. square Cu board
R
θ
is measured at
Note
Note
1E-006
1E-005
0.0001
0.001
0.01
0.1
t1 , Rectangular Pulse Duration (sec)
0.001
0.01
0.1
1
10
T
0.20
0.10
0.05
D = 0.50
0.02
0.01
SINGLE PULSE
( THERMAL RESPONSE )
Notes:
1. Duty Factor D = t1/t2
2. Peak Tj = P dm x Zthjc + Tc
Ri (°C/W)
0.17199 0.000044
0.67673 0.001660
0.54961 0.007649
τ
i (sec)
τ
J
τ
J
τ
1
τ
1
τ
2
τ
2
τ
3
τ
3
R
1
R
1
R
2
R
2
R
3
R
3
τ
C
τ
C
Ci=
τ
i
/
Ri
Ci=
τ
i
/
Ri
Absolute Maximum Ratings
Parameter
Units
W
P
D
@T
A
= 25°C
P
D
@T
A
= 70°C
P
D
@T
C
= 25°C
T
P
T
J
T
STG
Thermal Resistance
Power Dissipation
Power Dissipation
Power Dissipation
Peak Soldering Temperature
Operating Junction and
Storage Temperature Range
°C
Parameter
Typ.
–––
12.5
–––
1.0
Max.
45
–––
1.4
–––
Units
R
θ
JA
R
θ
JA
R
θ
JC
R
θ
J-PCB
Junction-to-Ambient
Junction-to-Ambient
Junction-to-Case
Junction-to-PCB Mounted
°C/W
270
-40 to + 150
Max.
2.8
1.8
89
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