STMicroelectronics STU7N80K5 SuperMESH5™ N-Channel MOSFET - 800V, 6A IPAK Package

STMicroelectronics STU7N80K5 SuperMESH5™ N-Channel MOSFET: High-Performance Power Transistor for Demanding Applications

Engineered for excellence in power management systems, the STU7N80K5 N-Channel MOSFET from STMicroelectronics represents the cutting-edge SuperMESH5™ technology. This 800V, 6A power transistor delivers exceptional performance through its optimized design, making it an ideal choice for industrial power supplies, motor control systems, and high-voltage switching applications. With its robust TO-251 (IPAK) package and advanced thermal characteristics, this MOSFET combines reliability with superior electrical performance.

Technical Excellence in Power Semiconductor Design

The STU7N80K5 showcases STMicroelectronics' commitment to innovation through its impressive specifications. Operating at 800V drain-source voltage, this N-Channel MOSFET maintains a remarkably low on-resistance of 1.2Ω at 3A current with 10V gate drive. The device's ±30V gate voltage protection ensures enhanced reliability in demanding environments, while its 110W power dissipation capability (at case temperature) enables efficient thermal management in high-power applications.

Key electrical characteristics include:

SuperMESH5™ Technology Advantages

As part of STMicroelectronics' SuperMESH5™ family, the STU7N80K5 employs advanced charge compensation technology that significantly reduces conduction losses while maintaining excellent switching performance. This innovative approach enables higher efficiency in power conversion applications, making it particularly valuable for modern energy-conscious designs. The device's 360 pF input capacitance (at 100V Vds) ensures fast switching transitions without compromising stability.

Designers benefit from the MOSFET's through-hole mounting configuration and industry-standard TO-251AA package, which simplifies PCB layout while maintaining mechanical robustness. The device's 5V gate threshold voltage (at 100µA) allows direct interfacing with standard logic circuits, eliminating the need for additional driver components in many applications.

Reliability and Versatility in Industrial Applications

With its active product status and tube packaging, the STU7N80K5 is well-suited for long-term industrial applications requiring consistent performance. Its wide operating temperature range (-55°C to 150°C) ensures reliable operation in harsh environments, while the 1.2Ω Rds(on) specification minimizes power losses in high-current scenarios. The device's 800V rating makes it particularly valuable in high-voltage power supplies, motor drives, and industrial automation systems.

Key application areas include:

• Switch-mode power supplies (SMPS)
• Motor control and drives
• Industrial automation equipment
• Renewable energy systems
• High-voltage power conversion

Design Considerations and Best Practices

When implementing the STU7N80K5 in circuit designs, engineers should consider its 10V drive voltage requirement for optimal Rds(on) performance. The device's 13.4 nC gate charge necessitates proper gate driver selection to ensure fast switching transitions while minimizing EMI. Thermal management considerations should account for the 110W power dissipation rating through the IPAK package, with appropriate heatsinking for high-current applications.

For prototyping and production, the device's tube packaging facilitates automated handling while maintaining component protection. Designers should reference STMicroelectronics' official datasheet for detailed thermal resistance values and SOA (Safe Operating Area) curves to ensure reliable operation across the entire operating range.

Tags: N-Channel Transistor, High Voltage MOSFET, Power Electronics, Industrial Semiconductors, SuperMESH5 Technology