The Si4166DY is an N-Channel MOSFET from Vishay. It is designed for high-efficiency power conversion and switching applications. This MOSFET features low on-resistance (RDS(on)), which minimizes power losses and improves efficiency. It is commonly used in synchronous rectification, DC-DC converters, and power management circuits.

Applications

• Synchronous Rectification: Used in synchronous rectifiers to improve efficiency in power supplies.
• DC-DC Converters: Employed in DC-DC converters for efficient switching and voltage conversion.
• Power Management Circuits: Utilized in power management circuits for efficient voltage regulation and distribution.
• Motor Control: Used in motor control circuits for efficient switching and speed regulation.
• Load Switching: Used for switching loads in electronic circuits, such as controlling power to different modules.

Features

• Low On-Resistance (RDS(on)): Minimizes power losses and improves efficiency.
• Low Gate Charge (Qg): Reduces switching losses and improves high-frequency performance.
• TrenchFET® Power MOSFET Technology: Provides high current and power handling capability.
• Logic Level Gate Drive: Can be driven directly from logic-level signals, simplifying circuit design.
• Avalanche Rated: Withstands high avalanche energy, providing robustness and reliability.
• 100% Rg Tested: Ensures high reliability and performance.

Benefits

• High Efficiency: Low on-resistance minimizes power losses and improves overall efficiency.
• Reliable Operation: Robust design and avalanche rating ensure reliable performance in demanding applications.
• Easy to Use: Logic-level gate drive simplifies circuit design and integration.
• Compact Design: Small package size allows for integration into space-constrained applications.
• High Reliability: 100% Rg tested ensures high reliability and performance.

Technical Specifications:

• Drain-Source Voltage (VDS): 30 V
• Gate-Source Voltage (VGS): ±20 V
• Continuous Drain Current (ID): 13 A (at VGS = 10 V)
• On-Resistance (RDS(on)): 7.5 mΩ (at VGS = 10 V)
• Gate Charge (Qg): Typically 13 nC
• Operating Temperature: -55°C to +150°C
• Package Type: PowerPAK® SO-8