Vishay Intertechnology, Inc. TRANSISTORS - Transistors - FETs, MOSFETs - RF - SI4942DY-T1 SI4942DY-T1

Manufacturer: Vishay
Win Source Part Number: 091987-SI4942DY-T1
Packaging: Reel - TR
Mounting: SMD (SMT)
FET Type: 2 N-Channel (Dual)
FET Feature: Logic Level Gate
Categories: Discrete Semiconductor Products
Status: Obsolete(EOL)
Temperature Range - Operating: -55°C to 150°C (TJ)
Case / Package: 8-SO
Maximum Power Dissipation: 1.1W
Drain-Source Breakdown Voltage: 40V
Continuous Drain Current at 25°C: 5.3A
Gate-Source Threshold Voltage: 3V @ 250μA
Max Gate Charge: 32nC @ 10V
Maximum Rds On at Id,Vgs: 21 mOhm @ 7.4A, 10V
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 33 pct.
Supply and Demand Status: Balance

MOSFET 40V 7.4A 1.1W Product overview: SI4942DY-T1 from Vishay is a MOSFET Transistor for power switching, load control, motor drives, DC-DC converters, battery systems, and board-level power design. It is useful for engineers and buyers comparing datasheets, replacement parts, BOM lines, package options, lifecycle status, and procurement availability. Key searchable attributes include 40V, 7.4A, 1.1W. Search-friendly keywords include MOSFET, power transistor, switching, N-channel, P-channel, 40V, 7.4A, 1.1W, MOSFET Transistor, RF FETs, MOSFETs. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 285-SI4942DY-T1 can be used for catalog matching and distributor lookup.