AOT9N50

Single FETs, MOSFETs Overview

The AOT9N50 is a 500V N-Channel MOSFET fabricated using an advanced high voltage process. It features a maximum continuous drain current of 9A at TC=25°C and a maximum on-resistance of less than 0.85Ω at VGS=10V. The device includes guaranteed avalanche capability, with repetitive avalanche energy rated at 3.2mJ and single-pulse energy at 307mJ. It operates within a junction temperature range of -55°C to 150°C.

Single FETs, MOSFETs Feature Summary

• Advanced high voltage MOSFET process for robust performance in AC-DC applications
• Guaranteed avalanche capability for reliable operation in offline power supply designs
• Optimized low gate charge and capacitance characteristics for efficient switching

Single FETs, MOSFETs Applications

• Offline power supply designs
• AC-DC converter applications

Single FETs, MOSFETs Procurement Notes

Verify the specific package variant required, as the datasheet covers both TO-220 (AOT9N50) and TO-220F (AOTF9N50). Confirm that the selected component meets the thermal management requirements for the intended application, particularly regarding junction-to-case resistance differences between packages. Ensure compliance with RoHS standards if applicable to the project specifications.

Single FETs, MOSFETs Selection Notes

Select this component for designs requiring a 500V rating with up to 9A continuous current capability. Consider the thermal resistance values when designing heatsinking solutions, noting the difference between standard and flange-mount packages. Evaluate the avalanche energy ratings against potential transient conditions in the target circuit to ensure adequate safety margins.

Single FETs, MOSFETs Part Context

This part belongs to Alpha & Omega Semiconductor's lineup of high-voltage N-Channel MOSFETs designed for general-purpose power switching. It utilizes proprietary processes to achieve low on-resistance and fast switching speeds. The product line targets cost-effective solutions for consumer electronics and industrial power supplies where reliability under stress is critical.

Single FETs, MOSFETs Replacement Considerations

Direct substitutes include the AOTF9N50, which shares identical electrical specifications but utilizes a TO-220F package instead of the standard TO-220 form factor. Designers must verify pinout compatibility and thermal interface requirements when swapping between these two variants.