NTMFD5C446NLT1G

Overview

The onsemi NTMFD5C446NLT1G is a dual N-channel enhancement mode MOSFET designed for high-efficiency power switching applications. It features a 40V drain-source breakdown voltage and operates with a maximum continuous drain current of 25A at case temperature. The device achieves a low on-resistance of 2.65mΩ at Vgs=10V, minimizing conduction losses in compact designs. Packaged in an 8-DFN (5x6mm) footprint with wettable flanks, it supports automated optical inspection. The component is qualified to AEC-Q101 standards, ensuring reliability for automotive electronics, and operates within a junction temperature range of -55°C to +175°C.

Feature Summary

• Dual N-channel configuration integrated into a compact 5x6mm DFN package to maximize PCB space efficiency.
• Low on-resistance characteristics reduce conduction losses and improve overall system power conversion efficiency.
• Wettable flank design enables reliable solder joint verification through automated optical inspection processes.
• Automotive-grade qualification ensures robust performance and long-term reliability in demanding electronic environments.

Applications

• Automotive power distribution systems requiring AEC-Q101 compliance
• Compact DC-DC converter modules for portable electronics
• High-density load switching circuits in industrial control units

Procurement Notes

Verify the specific ordering suffix against official manufacturer documentation to confirm package variations such as wettable flanks or reel specifications. Ensure that the procurement channel provides traceability certificates required for automotive supply chains. Cross-reference the part number with the latest datasheet revision to confirm compatibility with current RoHS and REACH regulatory standards before finalizing purchase orders.

Selection Notes

Select this component when designing circuits that require dual N-channel isolation within a minimal surface area constraint. Evaluate the thermal management requirements based on the specified power dissipation limits at various ambient temperatures. Confirm that the gate drive voltage aligns with the optimal Rds(on) performance region to ensure efficient switching speeds and minimized dynamic losses during operation.

Part Context

This device belongs to the NTMFD series of power MOSFETs from onsemi, which focuses on delivering high current density in small footprints. The series utilizes advanced silicon technology to achieve superior figure-of-merit values compared to previous generations. It serves as a direct replacement for legacy SO-8 packages where board space is limited but high current handling capabilities are still required.

Replacement Considerations

Direct substitutes include the NVMFD5C446NLWFT1G variant which explicitly includes wettable flanks for enhanced inspection. Other compatible options within the same family may include the NVMFD5C462NT1G, though its higher current rating requires verification of thermal constraints. Always validate pinout compatibility and thermal resistance parameters before implementing any cross-references.