Vishay Siliconix
Si4431BDY
Document Number: 72092
S09-0131-Rev. C, 02-Feb-09
www.vishay.com
1
P-Channel 30-V (D-S) MOSFET
FEATURES
• Halogen-free According to IEC 61249-2-21
Available
• TrenchFET
®
Power MOSFETs
PRODUCT SUMMARY
V
DS
(V) R
DS(on)
(Ω)I
D
(A)
- 30
0.030 at V
GS
= - 10 V
- 7.5
0.050 at V
GS
= - 4.5 V
- 5.8
S D
S D
S
D
G
D
SO-8
5
6
7
8
T op V i e w
2
3
4
1
Ordering Information:
Si4431BDY-T1-GE3 (Lead (Pb)-free and Halogen-free)
Si4431BDY-T1-E3 (Lead (Pb)-free)
S
G
D
P-Channel MOSFE
Notes:
a. Surface Mounted on 1" x 1" FR4 board.
ABSOLUTE MAXIMUM RATINGS T
A
= 25 °C, unless otherwise noted
Parameter Symbol 10 s Steady State Unit
Drain-Source Voltage
V
DS
- 30
V
Gate-Source Voltage
V
GS
± 20
Continuous Drain Current (T
J
= 150 °C)
a
T
A
= 25 °C
I
D
- 7.5 - 5.7
A
T
A
= 70 °C
- 6.0 - 4.6
Pulsed Drain Current
I
DM
- 30
Continuous Source Current (Diode Conduction)
a
I
S
- 2.1 - 1.2
Maximum Power Dissipation
a
T
A
= 25 °C
P
D
2.5 1.5
W
T
A
= 70 °C
1.6 0.9
Operating Junction and Storage Temperature Range
T
J
, T
stg
- 55 to 150 °C
THERMAL RESISTANCE RATINGS
Parameter Symbol Typical Maximum Unit
Maximum Junction-to-Ambient
a
t ≤ 10 s
R
thJA
38 50
°C/W
Steady State 70 85
Maximum Junction-to-Foot Steady State
R
thJF
22 28