si4477dy Vishay, si4477dy Datasheet - Page 5

• Manufacturer Part Number: si4477dy
• Description: P-channel 20-v D-s Mosfet
• Manufacturer: Vishay

MOSFET 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: 64829
S09-0858-Rev. A, 18-May-09
8
6
4
2
0
0
25
D
Power, Junction-to-Foot
T
is based on T
C
50
- Case Temperature (°C)
75
J(max)
100
30
25
20
15
10
= 150 °C, using junction-to-case thermal resistance, and is more useful in settling the upper
5
0
0
125
25
150
T
C
Current Derating*
50
- Case Temperature (°C)
75
100
2.0
1.6
1.2
0.8
0.4
0.0
0
125
Power Derating, Junction-to-Ambient
25
T
150
A
- Ambient Temperature (°C)
50
75
Vishay Siliconix
100
Si4477DY
www.vishay.com
125
150
5