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SI7458DP Datasheet, PDF (4/4 Pages) Vishay Siliconix – N-Channel 20-V (D-S) Fast Switching MOSFET | |||
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Si7458DP
Vishay Siliconix
New Product
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Threshold Voltage
0.6
0.4
ID = 250 mA
0.2
Single Pulse Power, Juncion-To-Ambient
100
80
â0.0
60
â0.2
â0.4
40
â0.6
20
â0.8
â1.0
â50 â25
0 25 50 75 100 125 150
TJ â Temperature (_C)
0
0.001
0.01
0.1
1
10
Time (sec)
2
1
Duty Cycle = 0.5
Normalized Thermal Transient Impedance, Junction-to-Ambient
0.2
0.1
0.1
0.05
0.02
0.01
10â4
Single Pulse
10â3
2
1
Duty Cycle = 0.5
10â2
10â1
1
Square Wave Pulse Duration (sec)
Notes:
PDM
t1
t2
1. Duty Cycle, D =
t1
t2
2. Per Unit Base = RthJA = 68_C/W
3. TJM â TA = PDMZthJA(t)
4. Surface Mounted
10
100
600
Normalized Thermal Transient Impedance, Junction-to-Case
0.2
0.1
0.1
Single Pulse
0.05 0.02
0.01
10â4
www.vishay.com
4
10â3
10â2
10â1
Square Wave Pulse Duration (sec)
1
10
Document Number: 71821
S-20012âRev. A, 04-Mar-02
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