English
Language : 

SI4947ADY Datasheet, PDF (4/4 Pages) Vishay Siliconix – Dual P-Channel 30-V (D-S) MOSFET
Si4947ADY
Vishay Siliconix
TYPICAL CHARACTERISTICS (25_C UNLESS NOTED)
Threshold Voltage
0.8
Single Pulse Power, Junction-to-Ambient
30
0.6
24
ID = 250 mA
0.4
18
0.2
12
0.0
6
- 0.2
- 0.4
- 50 - 25
0 25 50 75 100 125 150
TJ - Temperature (_C)
0
10 - 2
10 - 1
1
10
100
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
10 - 4
Single Pulse
10 - 3
10 - 2
10 - 1
1
Square Wave Pulse Duration (sec)
Notes:
PDM
t1
t2
1. Duty Cycle, D =
t1
t2
2. Per Unit Base = RthJA = 87_C/W
3. TJM - TA = PDMZthJA(t)
4. Surface Mounted
10
100
600
Normalized Thermal Transient Impedance, Junction-to-Foot
2
1
Duty Cycle = 0.5
0.2
0.1
0.1
0.02
0.05
0.01
10 - 4
www.vishay.com
4
Single Pulse
10 - 3
10 - 2
10 - 1
Square Wave Pulse Duration (sec)
1
10
Document Number: 71101
S-31989—Rev. C, 13-Oct-03