English
Language : 

SI4914BD Datasheet, PDF (2/15 Pages) Vishay Telefunken – Dual N-Channel 30-V (D-S) MOSFET with Schottky Diode
Si4914BDY
Vishay Siliconix
THERMAL RESISTANCE RATINGS
Parameter
Symbol
Channel-1
Typ.
Max.
Maximum Junction-to-Ambienta
t ≤ 10 s
RthJA
59
70
Maximum Junction-to-Foot (Drain)
Steady State
RthJF
36
45
Notes:
a. Surface Mounted on 1" x 1" FR4 board.
b. Maximum under Steady State conditions is 120 °C/W for Channel 1 and 115 °C/W for Channel 2.
Channel-2
Typ.
Max.
52
62.5
32
40
Unit
°C/W
MOSFET SPECIFICATIONS TJ = 25 °C, unless otherwise noted
Parameter
Symbol
Test Conditions
Static
Drain-Source Breakdown Voltage
VDS
VGS = 0 V, ID = 250 µA
VDS Temperature Coefficient
VGS(th) Temperature Coefficient
ΔVDS/TJ
ΔVGS(th)/TJ
ID = 250 µA
Gate Threshold Voltage
VGS(th)
VDS = VGS, ID = 250 µA
Gate-Body Leakage
IGSS
VDS = 0 V, VGS = 20 V
Zero Gate Voltage Drain Current
IDSS
VDS = 30 V, VGS = 0 V
VDS = 30 V, VGS = 0 V, TJ = 85 °C
On-State Drain Currentb
ID(on)
Drain-Source On-State Resistanceb RDS(on)
Forward Transconductanceb
gfs
Diode Forward Voltageb
VSD
Dynamica
Total Gate Charge
Qg
Gate-Source Charge
Qgs
Gate-Drain Charge
Qgd
VDS = 5 V, VGS = 10 V
VGS = 10 V, ID = 8 A
VGS = 10 V, ID = 8 A
VGS = 4.5 V, ID = 6 A
VGS = 4.5 V, ID = 6 A
VDS = 15 V, ID = 8 A
VDS = 15 V, ID = 8 A
IS = 1.7 A, VGS = 0 V
IS = 1 A, VGS = 0 V
Channel-1
VDS = 15 V, VGS = 4.5 V, ID = 8 A
Channel-2
VDS = 15 V, VGS = 4.5 V, ID = 8 A
Gate Resistance
Rg
Ch-1
Ch-2
Ch-1
Ch-1
Ch-1
Ch-2
Ch-1
Ch-2
Ch-1
Ch-2
Ch-1
Ch-2
Ch-1
Ch-2
Ch-1
Ch-2
Ch-1
Ch-2
Ch-1
Ch-2
Ch-1
Ch-2
Ch-1
Ch-2
Ch-1
Ch-2
Ch-1
Ch-2
Ch-1
Ch-2
Min.
30
30
1.2
1.2
20
20
Typ.a Max.
Unit
V
35
- 6.2
mV/°C
2.7
V
2.7
100
nA
100
1
100
µA
15
10000
A
0.0165 0.021
0.0155 0.020
Ω
0.0215 0.027
0.020 0.025
29
S
33
0.77
1.1
V
0.46
0.5
6.7
10.5
7.0
11.0
2.8
nC
2.8
2.0
2.0
2.9
6.0
Ω
2.0
4.0
www.vishay.com
2
Document Number: 69654
S09-2109-Rev. E, 12-Oct-09