Skip to main content
Vishay Siliconix SI4447DY-T1-E3 — Discrete Semiconductors

Vishay Siliconix SI4447DY-T1-E3

MPNSI4447DY-T1-E3
Active

MOSFET P-CH 40V 3.3A 8SO

$0.8400Ref. price · indicative, final on quote
Packaging8-SOIC (0.154", 3.90mm Width)
RoHSROHS3 Compliant
SeriesTrenchFET®
Independent supplier — new & surplus stockAuthenticity-screened · ESD-safe packingListing updated Jul 2026

Specifications

SI4447DY-T1-E3 specifications
ParameterValue
SeriesTrenchFET®
FET typeP-Channel
MountingSurface Mount
Drain to source voltage40 V
Drive voltage (Max rds on, min rds on)15V, 10V
Current - continuous drain (Id) @ 25°C3.3A (Ta)
Power dissipation1.1W (Ta)
Operating temperature-55°C~150°C(TJ)
PackageTape & Reel (TR); Cut Tape (CT)
Vgs±16V
TechnologyMOSFET (Metal Oxide)
Case8-SOIC (0.154\", 3.90mm Width)
Vgs(th) (Max) @ id2.2V @ 250µA
Rds on (Max) @ id, vgs72mOhm @ 4.5A, 15V
Gate charge (Qg) (Max) @ vgs14 nC @ 4.5 V
Input capacitance (Ciss) (Max) @ vds805 pF @ 20 V