onsemi NVMFS6H801NT1G Power MOSFET: Datasheet, Application Circuit, and Key Features
The onsemi NVMFS6H801NT1G is a state-of-the-art N-channel Power MOSFET designed to deliver exceptional efficiency and robustness in a wide range of power management applications. Utilizing advanced trench technology, this component is engineered for high-performance switching in demanding environments, making it a preferred choice for designers of automotive systems, industrial motor controls, and high-density DC-DC converters.
Key Features
This MOSFET stands out due to its impressive electrical characteristics. It boasts an ultra-low on-resistance (RDS(on)) of just 1.8 mΩ at 10 V, which is a critical parameter for minimizing conduction losses and improving overall system efficiency. With a continuous drain current (ID) rating of 201A, it is capable of handling high power levels. The device is housed in a superior thermally enhanced DFN5 5x6 package, which offers a very low profile and excellent power dissipation capabilities, crucial for space-constrained and thermally challenging designs. Furthermore, it is AEC-Q101 qualified, ensuring it meets the stringent reliability standards required for automotive applications.
Datasheet Overview
The datasheet for the NVMFS6H801NT1G provides comprehensive information necessary for successful circuit design and integration. Key sections include:
Absolute Maximum Ratings: Defining the limits for drain-source voltage (VDS = 80V), gate-source voltage (VGS = ±20V), and operating junction temperature.
Electrical Characteristics: Detailed tables for on-resistance, threshold voltage, gate charge, and capacitance values under various conditions.
Typical Performance Characteristics: Graphs illustrating the relationship between RDS(on) and temperature, switching times, and safe operating area (SOA).

Package Outline and Dimensions: Precise mechanical drawings for PCB footprint design.
Application Circuit
A primary application for this MOSFET is in synchronous buck converters, a common topology for voltage regulation in computing and telecom power supplies. In such a circuit, the NVMFS6H801NT1G is ideally suited for the low-side switch position. Its extremely low RDS(on) is paramount here, as it directly reduces the power loss during the freewheeling phase of the switching cycle, leading to cooler operation and higher efficiency. Designers must ensure a proper gate driving circuit capable of delivering strong current to quickly charge and discharge the MOSFET's input capacitance, minimizing switching losses.
ICGOOODFIND: The onsemi NVMFS6H801NT1G is a high-performance power MOSFET that excels in efficiency, current handling, and thermal management. Its ultra-low RDS(on) and robust automotive-grade qualification make it an ideal solution for high-current switching applications where reliability and power density are critical.
Keywords:
Power MOSFET
Low RDS(on)
AEC-Q101
Synchronous Buck Converter
DFN Package
