The STD4LN80K5 is a high voltage, high performance N-channel Power MOSFET brought to you by STMicroelectronics, a leader in semiconductor solutions. This device is part of the SuperMESH™ K5 family and is housed in a robust DPAK package, designed to deliver superior power density and efficiency in a compact footprint.

With a drain-source voltage (V<sub>DS) of 800 V, the STD4LN80K5 is well-suited for high voltage applications that require efficient power conversion. This MOSFET features an extremely low on-resistance (R<sub>DS(on)) of 1.9 Ω (typical), which contributes to its excellent conduction performance and helps to minimize power losses during operation.

The device boasts a continuous drain current (I<sub>D) of 4 A, making it capable of handling significant power for a wide range of applications, from power supplies to lighting solutions. The STD4LN80K5 is also characterized by its fast switching speed and enhanced dv/dt capability, ensuring high efficiency in fast-switching applications while providing increased reliability against harsh operating conditions.

STMicroelectronics has engineered the STD4LN80K5 with state-of-the-art technology, which includes Zener-protection that enhances the robustness of the device against Electrostatic Discharge (ESD). The MOSFET's design also ensures low gate charge (Q<sub>g), which reduces the power dissipation during the switching process and further improves the overall energy efficiency of the system it is implemented in.

Whether it's for switch mode power supplies (SMPS), LED drivers, or other high voltage switching applications, the STD4LN80K5 offers a reliable and energy-efficient solution. Its performance, combined with the quality and support from STMicroelectronics, makes this MOSFET a preferred choice for designers looking to optimize their power management systems.

For detailed specifications, application notes, and additional resources, designers and engineers are encouraged to consult the official datasheet and product information available directly from STMicroelectronics.