Vishay Intertechnology, Inc. Single FETs, MOSFETs SI4401DY-T1-E3

P-Channel 40V 8.7A (Ta) 1.5W (Ta) Surface Mount 8-SOIC

MOSFET P-CH 40V 8.7A 8SO

Manufacturer: Vishay
Win Source Part Number: 120981-SI4401DY-T1-E3
Packaging: Reel - TR
Mounting: SMD (SMT)
Technology: MOSFET
Polarity: P-Channel
Power Dissipation (Max): 1.5W (Ta)
Categories: Discrete Semiconductor Products
Drive Voltage (Max Rds On, Min Rds On): 4.5V, 10V
Status: Obsolete(EOL)
Temperature Range - Operating: -55°C to 150°C (TJ)
Case / Package: 8-SO
Dimension: 8-SOIC (0.154", 3.90mm Width)
Drain-Source Breakdown Voltage: 40V
Continuous Drain Current at 25°C: 8.7A (Ta)
Gate-Source Threshold Voltage: 1V @ 250μA (Min)
Max Gate Charge: 50nC @ 5V
Maximum Gate-Source Voltage: ±20V
Maximum Rds On at Id,Vgs: 15.5 mOhm @ 10.5A, 10V
Popularity: Medium
Fake Threat In the Open Market: 50 pct.
Supply and Demand Status: Balance

MOSFET P-CH 40V 8.7A 8SO Product overview: SI4401DY-T1-E3 from Vishay / Siliconix 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, 8.7A. Search-friendly keywords include MOSFET, power transistor, switching, N-channel, P-channel, 40V, 8.7A, MOSFET Transistor, Single FETs, MOSFETs. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 278-SI4401DY-T1-E3 can be used for catalog matching and distributor lookup.