AOI7S65

Description：MOSFET N-CH 650V 7A TO251A
Series：aMOS™
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tube

SKU:7351741dbfb7 Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

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Product introduction

AOI7S65 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 650V 7A TO251A. Review the specifications below when checking this part for your BOM.

Single FETs, MOSFETs specifications for AOI7S65

Description：MOSFET N-CH 650V 7A TO251A
Series：aMOS™
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tube
FET Type：N-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：650 V
Current - Continuous Drain (Id) @ 25°C：7A (Tc)
Drive Voltage (Max Rds On, Min Rds On)：10V
Rds On (Max) @ Id, Vgs：650mOhm @ 3.5A, 10V
Vgs(th) (Max) @ Id：4V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：9.2 nC @ 10 V
Vgs (Max)：±30V
Input Capacitance (Ciss) (Max) @ Vds：434 pF @ 100 V
FET Feature：-
Power Dissipation (Max)：89W (Tc)
Operating Temperature：-55°C ~ 150°C (TJ)
Grade：-
Qualification：-
Mounting Type：Through Hole
Supplier Device Package：TO-251A
Package / Case：TO-251-3 Stub Leads, IPAK

Single FETs, MOSFETs datasheet and documents for AOI7S65

AOI7S65

Single FETs, MOSFETs Overview

The AOI7S65 is a through-hole N-channel power MOSFET from Alpha & Omega Semiconductor, utilizing the αMOS™ high-voltage process. It features a drain-source voltage of 650V and a continuous drain current of 7A at case temperature. The device has a maximum on-resistance of 0.65Ω at VGS=10V and a typical gate charge of 9.2nC. It supports a peak pulsed drain current of 30A and includes 100% UIS testing for avalanche ruggedness.

Single FETs, MOSFETs Feature Summary

Fabricated using advanced αMOS™ high-voltage technology designed for robust switching performance.
Guaranteed avalanche capability with 100% Unclamped Inductive Switching (UIS) testing.
Optimized low gate charge and output capacitance to facilitate rapid adoption in offline power supply designs.

Single FETs, MOSFETs Applications

Offline power supply designs
Switching applications requiring high voltage ruggedness

Single FETs, MOSFETs Procurement Notes

Verify the specific package type during procurement, as the AOI7S65 designation corresponds to the TO-251A (IPAK) through-hole variant within the AOD/AOU/AOI family. Confirm RoHS compliance status and ensure the component meets consumer market qualification standards, as critical life support applications are explicitly excluded by the manufacturer.

Single FETs, MOSFETs Selection Notes

Select this component when a through-hole mounting solution is required for high-voltage switching circuits. The AOI7S65 offers a balance of low conduction losses and fast switching speeds suitable for general-purpose offline converters. Ensure thermal management aligns with the specified junction-to-case resistance for reliable operation under load.

Single FETs, MOSFETs Part Context

This part belongs to the AOD7S65/AOU7S65/AOI7S65 series manufactured by Alpha & Omega Semiconductor. The series shares identical electrical characteristics but differs in physical packaging to accommodate surface-mount or through-hole assembly requirements. The AOI7S65 specifically utilizes the TO-251A IPAK package.

Single FETs, MOSFETs Replacement Considerations

Direct substitutes include other 650V N-channel MOSFETs in TO-251A packages with comparable RDS(on) and Qg specifications. Verify pinout compatibility and thermal resistance ratings before substitution.