STMicroelectronics STD80N3LL N-Channel MOSFET - 30V, 80A, DPAK

High-Performance Power Transistor for Demanding Applications

The STMicroelectronics STD80N3LL N-Channel MOSFET represents a benchmark in power transistor technology, combining exceptional electrical performance with robust thermal management capabilities. Engineered for modern electronic systems requiring efficient power switching and minimal conduction losses, this DPAK packaged device delivers reliable operation across diverse industrial, automotive, and consumer applications.

Advanced MOSFET Architecture

At the core of the STD80N3LL's superior performance lies its optimized silicon die design, featuring a 30V drain-source voltage rating and 80A continuous drain current capacity. This N-Channel MOSFET employs STMicroelectronics' proprietary Metal Oxide Semiconductor technology to achieve an industry-leading Rds(on) of just 5.2mΩ at 10V VGS, significantly reducing power dissipation while maintaining excellent switching characteristics.

Thermal Excellence in Compact Packaging

The device's D-PAK (TO-252) surface-mount package combines compact dimensions with excellent thermal dissipation properties, enabling 75W power dissipation at the case temperature. This thermal efficiency, coupled with ±20V gate-source voltage tolerance, ensures stable operation even under demanding conditions where thermal cycling and voltage spikes are common.

Designed for modern power electronics, the STD80N3LL operates across the full industrial temperature range (-55°C to 175°C), maintaining consistent performance in harsh environments. Its 1640 pF input capacitance at 25V VDS enables fast switching transitions while minimizing gate drive requirements, making it ideal for high-frequency power conversion applications.

Design Flexibility and System Integration

The device's 2.5V gate threshold voltage (at 250µA) allows direct interfacing with standard logic circuits while maintaining noise immunity through its optimized gate charge characteristics. The 4.5V-10V drive voltage range provides design flexibility, accommodating both standard and high-speed gate drive configurations without compromising performance.

With its tape and reel packaging format, the STD80N3LL supports automated PCB assembly processes while maintaining component integrity during handling and storage. The device's compliance with modern RoHS standards and its halogen-free construction make it suitable for environmentally conscious designs targeting global markets.

Applications and System Benefits

This versatile power transistor excels in various applications including DC-DC converters, motor control circuits, battery management systems, and power supply units. Its combination of low conduction losses, fast switching characteristics, and robust thermal performance enables engineers to create compact, energy-efficient systems meeting stringent regulatory requirements.

Whether designing high-current switching circuits, automotive power systems, or industrial motor drives, the STD80N3LL provides the reliability and performance needed for modern electronic systems. Its comprehensive protection features and ruggedized design ensure long-term operation in challenging environments while maintaining consistent electrical characteristics over the device's operating life.

Tags: Power Transistor, N-Channel MOSFET, High Current Handling, DPAK Package, STMicroelectronics Components