AONS66919

Single FETs, MOSFETs Overview

The AONS66919 is a 100V N-Channel MOSFET utilizing AlphaSGT™ trench technology in an 8-DFN(5x6) package. It features a maximum drain-source voltage of 100V and continuous drain current ratings of 23A at ambient temperature and 85A at case temperature. The device offers low on-resistance, specified as less than 5.9mΩ at VGS=10V and less than 7.9mΩ at VGS=4.5V. Key electrical parameters include a gate threshold voltage of 2.6V max, total gate charge of 66nC at 10V, and input capacitance of 3420pF. Thermal characteristics provide a junction-to-case resistance of 1.1°C/W and power dissipation up to 113W at TC=25°C.

Single FETs, MOSFETs Feature Summary

• Utilizes Trench Power AlphaSGT™ technology for optimized performance
• Features logic level driving capability with low gate threshold voltage
• Demonstrates excellent figure of merit through low RDS(ON) and Qg combination
• Includes 100% UIS and Rg testing for reliability assurance

Single FETs, MOSFETs Applications

• High frequency switching circuits
• Synchronous rectification applications

Single FETs, MOSFETs Procurement Notes

Verify the specific orderable part number against the required packaging format, such as tape and reel quantities. Confirm that the component meets RoHS and halogen-free compliance requirements for your assembly process. Ensure the selected variant matches the intended thermal management strategy given the DFN package constraints. Review the datasheet for any recent product change notices or specification updates before finalizing procurement.

Single FETs, MOSFETs Selection Notes

Select this component when designing systems requiring high efficiency in synchronous rectification or high-frequency switching topologies. The logic-level drive characteristic allows compatibility with standard gate drivers operating at lower voltages. Consider the thermal resistance values when determining heatsinking needs, as the package limits continuous current based on case temperature. Evaluate the gate charge specifications to ensure driver capability matches the switching speed requirements.

Single FETs, MOSFETs Part Context

This device belongs to the AlphaSGT™ series from Alpha & Omega Semiconductor Inc., representing their trench MOSFET technology line. The AONS66919 is designed for surface-mount applications, offering a compact footprint compared to through-hole alternatives. It serves as a discrete power switch within larger electronic assemblies, distinct from integrated power management ICs found in other product lines.

Single FETs, MOSFETs Replacement Considerations

No public confirmed substitute part numbers are available in the provided documentation.