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SI4946DY-HF Datasheet, PDF (5/5 Pages) Guangdong Kexin Industrial Co.,Ltd – Dual N-Channel MOSFET
◁
SMD Type
MOSFET
Dual N-Channel MOSFET
SI4946DY-HF (KI4946DY-HF)
■ Typical Characterisitics
8
7
6
5
4
3
2
1
0
0
25 50 75 100 125 150 175
TC - Case Temperature (°C)
Current Derating*
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
25
50
75
100 125 150 175
TC - Case Temperature (°C)
Power, Junction-to-Case
2
1
Duty Cycle = 0.5
0.2
0.1
0.1
0.05
0.02
Single Pulse
0.01
10 -4
10 -3
2
1
Duty Cycle = 0.5
Notes:
P DM
t1
t2
1. Duty Cycle, D =
t1
t2
2. Per Unit Base = tRhJA = 85 °C/W
3. TJM
-
AT
=
PDM
Z
(t)
thJA
4. Surface Mounted
10 -2
10 -1
1
10
100
600
Square Wave Pulse Duration (s)
Normalized Thermal Transient Im pedance, Junction-to-Ambient
0.2
0.1
0.1
0.05
Single Pulse
0.02
0.01
10 -4
10 -3
10 -2
10 -1
1
Square Wave Pulse Duration (s)
Normalized Thermal Transient Impedance, Junction-to-Case
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