AOY66919

Single FETs, MOSFETs Overview

The AOY66919 is a 100V N-Channel MOSFET utilizing AlphaSGT™ trench technology in a TO-251B package. It features a maximum drain-source voltage of 100V and continuous drain current ratings of 48A at TA=25°C, 70A at TC=25°C, and 22A at TA=70°C. The device offers low on-resistance of less than 6.5mΩ at VGS=10V and 8.5mΩ 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 specify a junction-to-case resistance of 0.8°C/W and a junction-to-ambient resistance of 50°C/W.

Single FETs, MOSFETs Feature Summary

• Utilizes AlphaSGT™ trench technology for optimized performance
• Features logic level driving capability with low gate threshold voltage
• Demonstrates excellent figure of merit through low gate charge and on-resistance
• Subjected to 100% testing for Unclamped Inductive Switching (UIS) and Gate Resistance

Single FETs, MOSFETs Applications

• High frequency switching circuits
• Synchronous rectification applications
• General purpose power management

Single FETs, MOSFETs Procurement Notes

Verify the specific ordering suffix and package form factor when sourcing, as the datasheet indicates availability in tube packaging with a minimum order quantity of 3500 units. Confirm compliance with RoHS 2.0 and halogen-free requirements during procurement. Ensure that the intended application environment aligns with the specified thermal and electrical limits provided in the official documentation.

Single FETs, MOSFETs Selection Notes

Select this component for designs requiring robust high-frequency switching and synchronous rectification capabilities. The logic level drive characteristic allows compatibility with standard control voltages. Evaluate the thermal dissipation requirements against the specified junction-to-case and junction-to-ambient resistances to ensure operation within the -55°C to 150°C temperature range under expected load conditions.

Single FETs, MOSFETs Part Context

This part belongs to the AlphaSGT™ series from Alpha & Omega Semiconductor Inc., designed for efficient power handling. It serves as a discrete semiconductor solution within the broader portfolio of trench MOSFETs. The device is distinct from other variants by its specific TO-251B packaging and defined electrical thresholds suitable for modern power conversion topologies.

Single FETs, MOSFETs Replacement Considerations

No public confirmed substitute part numbers are documented in the source material.