The STF3N80K5 is a high voltage MOSFET designed and manufactured by STMicroelectronics, which is a part of their SuperMESH™5 Power MOSFET family. This product is tailored for applications that require high efficiency and power density. The TO-220FP package is a through-hole package that offers good thermal performance, making it suitable for a variety of power applications.

Key Features

• High Voltage Capability: With a drain-source voltage of 800 V, the STF3N80K5 can handle high voltage operations, making it suitable for applications such as switch-mode power supplies, lighting, and high voltage switching.
• Low On-Resistance: The device features a low on-resistance of 2.8 Ω typical, which helps in reducing conduction losses and improving overall efficiency.
• High Current Rating: It has a continuous drain current of 2.7 A, which allows it to drive moderate loads with ease.
• Reduced Gate Charge: A low gate charge minimizes switching losses and enables faster switching, which is crucial for high-frequency applications.
• Zener-Protected: The gate of the MOSFET is protected by a built-in Zener diode, which provides protection against overvoltage, enhancing the reliability of the device.

Applications

The STF3N80K5 is suited for a wide range of applications, particularly where power efficiency and reliability are critical. Typical applications include:

• LED Lighting
• Switch-Mode Power Supplies (SMPS)
• Power Factor Correction (PFC) circuits
• High Voltage Switching
• Electronic Ballasts

Quality and Reliability

STMicroelectronics is known for its commitment to quality and reliability. The STF3N80K5 MOSFET is no exception, as it is designed to meet the stringent requirements of industrial standards. It ensures a long operational life and stable performance in even the most demanding conditions.