AON6974A

Overview

The AON6974A is a dual asymmetric N-channel MOSFET from Alpha & Omega Semiconductor, utilizing AlphaMOS technology. It features a 30V drain-source voltage (Vdss) and is housed in an 8-DFN(5x6) package. The device supports continuous drain currents of 40A at ambient temperature and 140A at case temperature. Key electrical parameters include a maximum on-resistance (Rds(on)) of 2.3mΩ at 20A and 10V gate drive, with a gate charge (Qg) of 130nC at 10V. Input capacitance (Ciss) is 5970pF at 15V. Power dissipation reaches 6.2W at ambient and 78W at case temperatures, operating within a junction range of -55°C to 150°C.

Feature Summary

• Dual asymmetric configuration for efficient half-bridge applications
• AlphaMOS technology for optimized performance
• Low on-resistance for reduced conduction losses
• Surface-mount 8-DFN package for compact designs

Applications

• DC-DC converter circuits
• Motor control systems
• Power management modules

Procurement Notes

Verify the specific ordering suffix and tape/reel specifications against the manufacturer's latest datasheet before procurement. Confirm compliance with RoHS and REACH regulations as stated in official documentation. Ensure storage conditions adhere to moisture sensitivity level requirements to prevent damage prior to soldering.

Selection Notes

Select this component for applications requiring low voltage switching with high current capacity in a small footprint. Consider the thermal resistance characteristics when designing heat dissipation strategies. Verify that the gate drive voltage aligns with the specified Rds(on) test conditions to ensure optimal efficiency.

Part Context

The AON6974A belongs to Alpha & Omega Semiconductor's dual N-channel MOSFET portfolio, designed for power management solutions. It is part of the broader AlphaMOS series, which emphasizes high density and low loss. This component serves as a key element in modern electronic systems requiring efficient power conversion and regulation.

Replacement Considerations

Direct substitutes may include other 30V dual N-channel MOSFETs in similar packages. Verify pin compatibility and electrical parameters such as Rds(on) and Qg. Consult manufacturer cross-reference lists for confirmed alternatives like the AON6973A or AON6936 if available.

FAQ

What is the maximum continuous drain current for the AON6974A?

The AON6974A supports a continuous drain current of 40A at ambient temperature and up to 140A at case temperature.

Is the AON6974A suitable for high-frequency switching applications?

Yes, its low gate charge (130nC) and fast switching characteristics make it suitable for high-frequency DC-DC converters and motor drives.

What package type does the AON6974A use?

It utilizes an 8-DFN(5x6) surface-mount package, providing a compact solution for space-constrained designs.