STU4N80K5 - N-Channel 800V - 3.3 Ohm - 4A SuperMESH™ Power MOSFET

The STU4N80K5 is a high-performance N-Channel Power MOSFET from the renowned semiconductor manufacturer STMicroelectronics. This device is part of their SuperMESH™ family, which is known for its excellent RDS(on) area ratio and reduced gate charge, making it a highly efficient choice for power conversion applications.

This MOSFET is designed to operate at 800V, providing a robust solution for high-voltage scenarios. Its threshold voltage is optimized for a range of 3.0V to 4.0V, ensuring a precise operation. With a continuous drain current of 4A, the STU4N80K5 is capable of handling significant power without overheating, thanks to its maximum junction temperature of 150°C.

The STU4N80K5 boasts an extremely low on-resistance of just 3.3 Ohm, which minimizes conduction losses and improves overall efficiency. This feature, combined with the fast switching speed, makes the STU4N80K5 an ideal choice for high-efficiency power supplies, lighting applications, including LED drivers, and any circuit requiring high voltage switching with minimal power loss.

The device is housed in a TO-251 package, which offers a compact footprint while still providing excellent thermal performance. This package is well-suited for space-constrained applications, and its through-hole mounting design ensures secure and reliable mechanical attachment to the circuit board.

STMicroelectronics has also integrated various protection features into the STU4N80K5 to ensure long-term reliability. These include a 100% avalanche tested design, which guarantees the device's ruggedness against repetitive high-energy pulses. Furthermore, the MOSFET is compliant with the RoHS directive, making it an environmentally friendly choice for modern electronic designs.

In summary, the STU4N80K5 from STMicroelectronics is a powerful and reliable component that offers a combination of high voltage capability, low on-resistance, and fast switching performance. Its advanced features and robust design make it suitable for a wide range of applications where efficiency and reliability are paramount.