STD120N4LF6

Single FETs, MOSFETs Overview

The STD120N4LF6 is an N-channel Power MOSFET from STMicroelectronics, utilizing the sixth-generation STripFET™ VI DeepGATE™ technology. It features a 40V drain-source voltage rating and a typical on-resistance of 3.1 mΩ at 10V gate drive. The device supports a continuous drain current of 80A in a DPAK package. Designed for automotive applications, it holds AEC-Q101 qualification. Key electrical characteristics include low gate charge for reduced drive power loss and high avalanche ruggedness, ensuring reliability in demanding switching environments.

Single FETs, MOSFETs Feature Summary

• Utilizes proprietary STripFET™ VI DeepGATE™ technology with a new gate structure to achieve industry-leading low on-resistance.
• Engineered for automotive systems with full AEC-Q101 qualification compliance.
• Delivers high avalanche ruggedness and very low gate charge to minimize gate drive power losses.

Single FETs, MOSFETs Applications

• Automotive power management circuits
• Low-side switching applications
• DC-DC converter stages

Single FETs, MOSFETs Procurement Notes

Verify the specific ordering suffix matches the required package variant, as the DPAK form factor is standard but packaging options may vary. Confirm that the component meets the necessary AEC-Q101 automotive grade requirements for your specific application environment. Ensure compatibility with the intended thermal management solution given the 80A current capability. Cross-reference the datasheet revision date to ensure all latest electrical parameters are considered during design validation.

Single FETs, MOSFETs Selection Notes

Select this component when a 40V N-channel MOSFET with minimal conduction losses is required for automotive-grade designs. The low RDS(on) of 3.1 mΩ makes it suitable for high-efficiency power conversion where thermal performance is critical. Consider the DPAK package constraints for current handling and heat dissipation relative to your PCB layout capabilities compared to larger packages like D2PAK.

Single FETs, MOSFETs Part Context

This part belongs to the STripFET™ VI family of power MOSFETs, which are optimized for low on-resistance and fast switching speeds. The 'L' in the model number typically denotes the DPAK surface-mount package, distinguishing it from through-hole or larger footprint variants within the same electrical specification family.

Single FETs, MOSFETs Replacement Considerations

The STB120N4F6 is a verified substitute offering identical electrical specifications (40V, 80A, ~3.5 mΩ) but housed in a D2PAK package. Verify that the physical footprint and thermal pad dimensions of the replacement package fit your existing PCB layout before substitution.