The STH8N80FI is a high-performance, N-channel Power MOSFET designed and manufactured by STMicroelectronics. This power MOSFET is well-suited for a wide range of applications, particularly in the switching power supply and power management sectors. The device boasts an array of features that make it a reliable and efficient choice for designers looking to optimize their power circuitry.

Key Features

• Voltage Rating: The STH8N80FI has a drain-source voltage (V<sub>DS) of 800V, making it suitable for high-voltage applications.
• Current Capacity: It offers a continuous drain current (I<sub>D) of up to 8A, ensuring robust performance for a variety of loads.
• Low On-Resistance: With an on-resistance (R<sub>DS(on)) as low as 0.85 ohms, the MOSFET ensures minimal power loss and improved efficiency.
• High-Speed Switching: The device features fast switching capabilities, which are essential for reducing switching losses and improving power supply efficiency.
• Gate Charge: It has a low gate charge (Q<sub>g), which reduces the power needed to turn the MOSFET on and off, contributing to the overall energy saving of the system.
• Robust Design: The STH8N80FI is designed to withstand harsh conditions and offers a high degree of ruggedness.
• TO-220FP Package: Encased in a fully molded TO-220FP package, the MOSFET ensures excellent thermal performance and is easy to mount on a variety of PCB layouts.

Applications

The versatility of the STH8N80FI allows it to be used in various applications, including:

• Switch Mode Power Supplies (SMPS)
• High Efficiency DC-DC Converters
• Power Factor Correction (PFC) circuits
• Electronic Ballasts for Lighting
• Motor Control Systems

STMicroelectronics' commitment to quality and performance is evident in the STH8N80FI MOSFET, making it a preferred choice for engineers and designers who require a reliable power switching solution.