STMicroelectronics

STB42N65M5

STB42N65M5 Description

The STB42N65M5 from STMicroelectronics is a high-performance N-channel MOSFET designed for demanding power applications. With a 650V drain-to-source voltage (Vdss) and 33A continuous drain current (Id), it delivers robust performance in high-voltage circuits. The device leverages MDmesh™ V technology, optimizing switching efficiency and reducing conduction losses. Packaged in a D2PAK (TO-263) surface-mount format, it is suitable for automated assembly processes and offers excellent thermal management. Its low on-resistance (Rds(on)) of 79mΩ at 10V Vgs ensures minimal power dissipation, making it ideal for energy-efficient designs.

STB42N65M5 Features

• High Voltage & Current Rating: 650V Vdss and 33A Id (at 25°C) for robust power handling.
• Low Rds(on): 79mΩ @ 10V Vgs, enhancing efficiency in high-current applications.
• Advanced MDmesh™ V Technology: Reduces switching losses and improves thermal performance.
• High Drive Capability: Gate charge (Qg) of 100nC @ 10V ensures fast switching.
• Wide Vgs Range: ±25V maximum gate-source voltage for flexible drive circuitry.
• Thermal Resilience: 190W power dissipation (Tc) and 150°C junction temperature (TJ) rating.
• Reliable Packaging: D2PAK (TO-263) with RoHS3 compliance and MSL1 (unlimited) moisture sensitivity.

STB42N65M5 Applications

This MOSFET excels in high-efficiency power conversion systems, including:

• Switched-Mode Power Supplies (SMPS): Particularly in PFC (Power Factor Correction) stages.
• Motor Drives & Inverters: For industrial and automotive applications requiring high voltage tolerance.
• Renewable Energy Systems: Solar inverters and wind power converters benefit from its low-loss switching.
• LED Lighting Drivers: High efficiency and thermal stability make it suitable for high-power LED systems.
• DC-DC Converters: Where low Rds(on) and fast switching are critical for performance.

Conclusion of STB42N65M5

The STB42N65M5 stands out as a high-reliability MOSFET for 650V power applications, combining low conduction losses, fast switching, and excellent thermal performance. Its MDmesh™ V technology and D2PAK packaging make it a superior choice for designers prioritizing efficiency, power density, and durability. Whether in industrial motor drives, renewable energy systems, or high-efficiency SMPS, this MOSFET delivers consistent performance under demanding conditions.