STMicroelectronics

STN3N45K3

STN3N45K3 Description

The STN3N45K3 is a high-performance N-Channel MOSFET from STMicroelectronics, designed for applications requiring robust power management and efficient switching. This MOSFET features a drain-to-source voltage of 450V, making it suitable for high-voltage applications. With a continuous drain current of 600mA at 25°C, it can handle significant power loads while maintaining low power dissipation of up to 3W at ambient temperature. The STN3N45K3 operates within a wide gate-source voltage range of ±30V, ensuring compatibility with various control systems.

STN3N45K3 Features

• High Drain-to-Source Voltage (Vdss): 450V for reliable operation in high-voltage circuits.
• Low Power Dissipation: Maximum of 3W, suitable for compact designs.
• Robust Gate Charge (Qg): Maximum of 9.5nC @ 10V for fast switching.
• Low Input Capacitance (Ciss): Maximum of 164pF @ 50V for reduced parasitic effects.
• Superior Series (SuperMESH3™): Known for high efficiency and performance.
• Low Rds On (Max): 4Ohm @ 600mA, 10V for minimal power loss during conduction.
• Wide Operating Temperature: Up to 150°C (TJ) for use in harsh environments.
• Compliance: RoHS3 compliant and REACH unaffected, adhering to environmental standards.

STN3N45K3 Applications

The STN3N45K3 is ideal for a variety of applications where high voltage and efficient power management are critical:

• Power Supplies: In switch-mode power supplies for efficient voltage regulation.
• Motor Controls: For driving and controlling electric motors in industrial and automotive applications.
• Consumer Electronics: In high-voltage circuits of TVs, computers, and other electronics for reliable performance.
• Automotive Systems: For power window lifts, seat controls, and other high-voltage components.

Conclusion of STN3N45K3

The STN3N45K3 stands out with its high drain-to-source voltage and low Rds On, making it an excellent choice for high-voltage, high-efficiency applications. Its compliance with environmental standards and robust performance characteristics make it a reliable component for a wide range of electronic devices. Whether used in power supplies, motor controls, or consumer electronics, the STN3N45K3 delivers superior performance and reliability.