SI5509DC Vishay, SI5509DC Datasheet - Page 6

• Manufacturer Part Number: SI5509DC
• Description: N- And P-channel 20-v D-s Mosfet
• Manufacturer: Vishay

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6
*The power dissipation P
cases where additional heatsinking is used. It is used to determine the current rating, when this rating falls below the package limit.
7
6
5
4
3
2
1
0
0
Package Limited
25
D
T
Current De-Rating*
C
is based on T
50
– Case Temperature (_C)
75
J(max)
100
= 150 _C, using junction-to-case thermal resistance, and is more useful in settling the upper dissipation limit for
125
_
150
New Product
4.0
3.5
3.0
2.5
2.0
1.5
1.0
0.5
0.0
0
25
T
C
– Case Temperature (_C)
Power De-Rating
50
Vishay Siliconix
75
S–60417—Rev. A, 20-Mar-06
Document Number: 73629
Si5509DC
100
125
150