SI4904DY Vishay Siliconix, SI4904DY Datasheet - Page 5

• Manufacturer Part Number: SI4904DY
• Description: Dual N-Channel 40-V MOSFET
• Manufacturer: Vishay Siliconix

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TYPICAL CHARACTERISTICS 25 °C, unless otherwise noted
* The power dissipation P
dissipation limit for cases where additional heatsinking is used. It is used to determine the current rating, when this rating falls below the package
limit.
Document Number: 73793
S09-0540-Rev. C, 06-Apr-09
4.0
3.2
2.4
1.6
0.8
0.0
0
Power Derating, Junction-to-Foot
25
D
T
is based on T
C
– Case Temperature (°C)
50
75
J(max)
12
10
8
6
4
2
0
0
100
= 150 °C, using junction-to-case thermal resistance, and is more useful in settling the upper
Package Limited
25
125
T
C
50
– Case Temperature (°C)
Current Derating*
150
75
100
125
1.5
1.2
0.9
0.6
0.3
0.0
0
150
Power Derating, Junction-to-Ambient
25
T
A
– Ambient Temperature (°C)
50
Vishay Siliconix
75
Si4904DY
100
www.vishay.com
125
150
5
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