The STF5NK65Z is a high-performance N-channel Zener-protected SuperMESH™ Power MOSFET designed and manufactured by STMicroelectronics. This power MOSFET is part of ST's SuperMESH™ series, which is renowned for its excellent efficiency, reduced power losses, and high switching speeds. The STF5NK65Z is particularly suitable for a wide range of high-power applications, including switching power supplies, motor control, lighting, and high-efficiency converters.

Key Features

• Voltage Rating: The device features a drain-source voltage (V<sub>DS) of 650V, making it suitable for applications that require high voltage handling capabilities.
• Current Rating: It has a continuous drain current (I<sub>D) of 4.4A, providing ample current for a variety of power applications.
• Low On-Resistance: With an on-resistance (R<sub>DS(on)) of 1.7Ω, this MOSFET ensures minimal conduction losses, thereby improving overall efficiency.
• Zener-Protected: The built-in Zener diode provides gate-source protection, which enhances the reliability of the device by preventing damage due to over-voltage conditions.
• High dv/dt Capability: This MOSFET can handle high dv/dt rates, making it suitable for fast-switching applications.
• Reduced Gate Charge: A low gate charge (Q<sub>g) helps to minimize switching losses and enables faster switching performance.
• 100% Avalanche Tested: Each unit is rigorously tested for avalanche ruggedness, ensuring its robustness in harsh working conditions.

Applications

The STF5NK65Z is versatile and can be used in various applications, including:

• Switch Mode Power Supplies (SMPS)
• Power Factor Correction circuits
• LED Lighting solutions
• DC-DC Converters
• Motor Control systems
• High-efficiency power management designs

Quality and Reliability

STMicroelectronics is committed to providing high-quality products. The STF5NK65Z is no exception, as it is designed to meet stringent quality standards, ensuring reliability and performance in even the most demanding applications. With its robust design and protective features, the STF5NK65Z is a solid choice for designers looking to enhance system reliability and efficiency.