STB31N65M5 - N-channel 650 V, 0.074 Ohm typ., 31 A MDmesh™ M5 Power MOSFET in D2PAK package

The STB31N65M5 is a state-of-the-art N-channel Power MOSFET presented by STMicroelectronics, designed to meet the efficiency and reliability demands of modern high-power electronic applications. This device is part of the MDmesh™ M5 series, which is renowned for its excellent performance in high voltage applications, thanks to its innovative technology that reduces on-resistance and total power losses.

With a voltage rating of 650 V, the STB31N65M5 is well-suited for applications that require a robust and efficient power handling capability. It features a very low typical on-resistance of just 0.074 Ohms, which signifies minimal power loss during operation, thereby enhancing the overall efficiency of the system it is used in. The device is capable of handling continuous currents up to 31 A, making it a reliable choice for high current scenarios.

The STB31N65M5 is housed in a D2PAK package, which is known for its compact size and ability to handle high thermal loads. This packaging allows for efficient heat dissipation and is suitable for surface mount technology (SMT), providing a space-saving solution on printed circuit boards (PCBs).

This Power MOSFET incorporates STMicroelectronics' advanced MDmesh™ M5 technology, which integrates a vertical structure that enhances carrier mobility and reduces on-state resistance. This results in lower conduction losses and improved switching performance, making it ideal for high-efficiency power supplies, lighting applications, welding equipment, and solar inverters.

Key features of the STB31N65M5 include a fast recovery diode, which is essential for high-speed switching applications. It also boasts excellent robustness and reliability, with an extended operating junction temperature range, which ensures stable performance even under extreme conditions.

STMicroelectronics provides comprehensive technical support and documentation for the STB31N65M5, ensuring that designers can fully utilize its capabilities for their specific applications. With its combination of high voltage capability, low on-resistance, and efficient thermal management, the STB31N65M5 is an excellent choice for power conversion applications demanding high efficiency and reliability.