Vishay Precision Group TRANSISTORS - Transistors - FETs, MOSFETs - RF - SI4840BDY-T1-E3 SI4840BDY-T1-E3

Manufacturer: Vishay
Win Source Part Number: 138403-SI4840BDY-T1-E3
Packaging: Reel - TR
Mounting: SMD (SMT)
Technology: MOSFET
Polarity: N-Channel
Power Dissipation (Max): 2.5W (Ta), 6W (Tc)
Family Name: Si4840BDY
Categories: Discrete Semiconductor Products
Drive Voltage (Max Rds On, Min Rds On): 4.5V, 10V
Status: Active
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: 19A (Tc)
Gate-Source Threshold Voltage: 3V @ 250μA
Max Gate Charge: 50nC @ 10V
Max Input Capacitance: 2000pF @ 20V
Maximum Gate-Source Voltage: ±20V
Maximum Rds On at Id,Vgs: 9 mOhm @ 12.4A, 10V
Alternative Parts (Cross-Reference): FDS4780-NL; FDS4780; AP9467AGM-HF; TPC8052-H;
Introduction Date: February 18, 2008
ECCN: EAR99
Country of Origin: China
Estimated EOL Date: 2027
Halogen Free: Compliant
Is this a common-used part?: Yes
Popularity: High
Fake Threat In the Open Market: 56 pct.
Supply and Demand Status: Limited
Quantity per package: 2,500

N-Ch MOSFET, 40V, 19A, 9mR, SOIC-8, Surface Mount Product overview: SI4840BDY-T1-E3 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 SMD, 40V, 19A, SOIC. Search-friendly keywords include MOSFET, power transistor, switching, N-channel, P-channel, SMD, 40V, 19A, SOIC, MOSFET Transistor. This listing supports clearer product discovery for industrial, commercial, repair, automation, power, sensing, and embedded system projects. Product number 278-SI4840BDY-T1-E3 can be used for catalog matching and distributor lookup.

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