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SI4944DY Datasheet, PDF (1/5 Pages) Vishay Siliconix – Dual N-Channel 30-V (D-S) MOSFET
New Product
Si4944DY
Vishay Siliconix
Dual N-Channel 30-V (D-S) MOSFET
PRODUCT SUMMARY
VDS (V)
30
rDS(on) (W)
0.0095 @ VGS = 10 V
0.016 @ VGS = 4.5 V
ID (A)
12.2
9.4
FEATURES
D TrenchFETr Power MOSFET
D 100% Rg Tested
APPLICATIONS
D DC/DC Conversion
D Load Switching
S1 1
G1 2
S2 3
G2 4
SO-8
Top View
8 D1
7 D1
6 D2
5 D2
Ordering Information: Si4944DY
Si4944DY-T1 (with Tape and Reel)
D1
D2
G1
G2
S1
N-Channel MOSFET
S2
N-Channel MOSFET
ABSOLUTE MAXIMUM RATINGS (TA = 25_C UNLESS OTHERWISE NOTED)
Parameter
Symbol
10 secs
Steady State
Drain-Source Voltage
Gate-Source Voltage
Continuous Drain Current (TJ = 150_C)a
Pulsed Drain Current
Continuous Source Current (Diode Conduction)a
Maximum Power Dissipationa
Operating Junction and Storage Temperature Range
TA = 25_C
TA = 85_C
TA = 25_C
TA = 85_C
VDS
VGS
ID
IDM
IS
PD
TJ, Tstg
30
"20
12.2
9.3
8.8
6.7
30
1.9
1.1
2.3
1.3
1.2
0.7
−55 to 150
Unit
V
A
W
_C
THERMAL RESISTANCE RATINGS
Parameter
Maximum Junction-to-Ambienta
Maximum Junction-to-Foot (Drain)
t v 10 sec
Steady State
Steady State
Notes
a. Surface Mounted on 1” x 1” FR4 Board.
Document Number: 72512
S-32131—Rev. A, 27-Oct-03
Symbol
RthJA
RthJF
Typical
42
75
19
Maximum
55
95
25
Unit
_C/W
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