AOT9N40

Description：MOSFET N-CH 400V 8A TO220
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tube

SKU:4bd4d0a73b49 Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

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Product introduction

AOT9N40 is listed in the Single FETs, MOSFETs range at ChipApex. The manufacturer field lists Alpha & Omega Semiconductor Inc.. Its product description is MOSFET N-CH 400V 8A TO220. Review the specifications below when checking this part for your BOM.

Single FETs, MOSFETs specifications for AOT9N40

Description：MOSFET N-CH 400V 8A TO220
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tube
FET Type：N-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：400 V
Current - Continuous Drain (Id) @ 25°C：8A (Tc)
Drive Voltage (Max Rds On, Min Rds On)：10V
Rds On (Max) @ Id, Vgs：800mOhm @ 4A, 10V
Vgs(th) (Max) @ Id：4.5V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：16 nC @ 10 V
Vgs (Max)：±30V
Input Capacitance (Ciss) (Max) @ Vds：760 pF @ 25 V
FET Feature：-
Power Dissipation (Max)：132W (Tc)
Operating Temperature：-55°C ~ 150°C (TJ)
Grade：-
Qualification：-
Mounting Type：Through Hole
Supplier Device Package：TO-220
Package / Case：TO-220-3

Single FETs, MOSFETs datasheet and documents for AOT9N40

AOT9N40

Single FETs, MOSFETs Overview

The AOT9N40 is a 400V, 8A N-Channel MOSFET fabricated using an advanced high voltage process. It features low RDS(ON) of less than 0.8Ω at VGS=10V and ID=4A. The device includes guaranteed avalanche capability with repetitive avalanche energy (EAS) up to 300mJ and single pulsed avalanche energy up to 500mJ. It operates within a junction temperature range of -55°C to 150°C and utilizes a TO-220 package.

Single FETs, MOSFETs Feature Summary

Advanced high voltage MOSFET process for robust performance in AC-DC applications
Guaranteed avalanche capability with 100% UIS testing
Low on-resistance and capacitance for efficient switching
Suitable for boost converters and synchronous rectifiers

Single FETs, MOSFETs Applications

Offline power supply designs
Consumer power supplies
Telecom power supplies
Industrial power supplies
LED backlighting

Single FETs, MOSFETs Procurement Notes

Verify the specific ordering suffix when sourcing components. The standard part number is AOT9N40. An 'L' suffix indicates a halogen-free version (AOT9N40L). Confirm that the component meets RoHS standards as specified by Alpha & Omega Semiconductor. Ensure compatibility with TO-220 mounting requirements for your design.

Single FETs, MOSFETs Selection Notes

Select this MOSFET for designs requiring 400V breakdown and 8A continuous drain current. Consider the thermal resistance values for heatsinking calculations. The guaranteed avalanche rating makes it suitable for inductive load switching. Verify gate threshold voltage requirements against your driver circuit capabilities.

Single FETs, MOSFETs Part Context

This component belongs to the AOT9 series of N-Channel MOSFETs from Alpha & Omega Semiconductor. It is designed for general-purpose power switching applications. The device is electrically identical to other variants in the series but distinguished by its specific voltage and current ratings. It is intended for consumer market applications.

Single FETs, MOSFETs Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify pinout compatibility and electrical parameters before considering alternative manufacturers.