APT8043SFLLG

Single FETs, MOSFETs Overview

The APT8043SFLLG is an N-Channel FREDFET MOSFET manufactured by Microchip Technology. It features a maximum drain-to-source voltage (Vdss) of 800 V and a continuous drain current (Id) of 20 A at case temperature. The device has a maximum on-state resistance (Rds(on)) of 430 mΩ. It is housed in a D3PAK surface-mount package, also referred to as TO-268.

Single FETs, MOSFETs Feature Summary

• High-voltage capability with 800 V drain-to-source breakdown
• Fast Recovery Epitaxial Diode (FREDFET) technology for efficient switching
• Surface-mount D3PAK package design for thermal management

Single FETs, MOSFETs Applications

• High-voltage power conversion circuits
• Industrial motor drive systems
• Uninterruptible power supply (UPS) inverters

Single FETs, MOSFETs Procurement Notes

Verify the exact datasheet revision from Microchip Technology before finalizing designs. Confirm that the D3PAK footprint matches your PCB layout requirements. Ensure thermal calculations account for the 20 A continuous current rating at specified case temperatures. Check for any specific handling instructions related to the FREDFET technology.

Single FETs, MOSFETs Selection Notes

Select this component when high blocking voltage and moderate current are required in a surface-mount form factor. The 430 mΩ on-resistance offers a balance between conduction losses and cost. Consider the D3PAK package for applications needing better thermal performance than standard through-hole options while maintaining compact board space.

Single FETs, MOSFETs Part Context

This part belongs to the APT8043 series of high-voltage MOSFETs. It utilizes FREDFET technology, which integrates a fast-recovery body diode. This distinguishes it from standard MOSFETs by improving reverse recovery characteristics, making it suitable for hard-switching applications where diode performance is critical.

Single FETs, MOSFETs Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Verify pin compatibility and electrical parameters with alternative vendors if sourcing constraints exist.