SI4490DY-HF Datasheet, PDF (4/4 Pages) Guangdong Kexin Industrial Co.,Ltd – N-Channel MOSFET

SMD Type
MOSFET
N-Channel MOSFET
SI4490DY-HF (KI4490DY-HF)
■ Typical Characterisitics
1.0
60
50
0.5
I_D = 250 µA
40
0.0
30
- 0.5
20
- 1.0
10
- 1.5
- 50 - 25
2
0 25 50 75 100 125 150
T _J - Temperature (°C)
Threshold Voltage
1
Duty Cycle = 0.5
0
0.01
0.1
1
10
100
Time (s)
Single Pulse Power
0.2
0.1
0.1
0.05
0.02
0.01
10 ^-4
Single Pulse
10 ^-3
2
1
Duty Cycle = 0.5
Notes:
P _DM
t₁
t₂
1. Duty Cycle, D =
t₁
t₂
2. Per Unit Base = R _thJA = 65 °C/W
3. T _JM - T_A = P_DMZ_thJA(t)
4. Surface Mounted
10 ^{-2 .}
10 ^-1
1
10
Square Wave Pulse Duration (s)
Normalized Thermal Transient Im pedance, Junction-to-Ambient
100
600
0.2
0.1
0.1
0.05
0.02
Single Pulse
0.01
10 ^-4
10 ^-3
10 ^-2
10 ^-1
1
10
100
Square Wave Pulse Duration (s)
Normalized Thermal Transient Impedance, Junction-to-Foot
1000
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