AO4490

Description：MOSFET N-CH 30V 16A 8SOIC
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)

SKU:cec5c31d5ac1 Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

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Product introduction

Product Detailed Parameters

Description：MOSFET N-CH 30V 16A 8SOIC
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)
FET Type：N-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：30 V
Current - Continuous Drain (Id) @ 25°C：16A (Ta)
Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
Rds On (Max) @ Id, Vgs：7.2mOhm @ 16A, 10V
Vgs(th) (Max) @ Id：2.5V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：48 nC @ 10 V
Vgs (Max)：±20V
Input Capacitance (Ciss) (Max) @ Vds：2170 pF @ 15 V
FET Feature：-
Power Dissipation (Max)：2.8W (Ta)
Operating Temperature：-55°C ~ 150°C (TJ)
Grade：-
Qualification：-
Mounting Type：Surface Mount
Supplier Device Package：8-SOIC
Package / Case：8-SOIC (0.154", 3.90mm Width)

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AO4490

Overview

The AO4490 is an N-Channel Enhancement Mode Field Effect Transistor manufactured by Alpha & Omega Semiconductor Inc. It utilizes advanced trench technology to deliver low on-resistance and gate charge, supporting operation with gate voltages as low as 4.5V while maintaining a maximum VGS rating of 20V. Key electrical parameters include a drain-source voltage (VDS) of 30V, a continuous drain current (ID) of 16A at VGS = 10V, and a maximum on-resistance (RDS(ON)) of less than 7.2mΩ at VGS = 10V and less than 10mΩ at VGS = 4.5V. The device features ESD protection and has been tested for Unclamped Inductive Switching (UIS), Rg, Ciss, Coss, and Crss.

Feature Summary

Advanced trench technology provides excellent on-resistance and low gate charge characteristics.
Capable of operation with gate voltages as low as 4.5V while retaining a 20V maximum gate-source rating.
Includes electrostatic discharge (ESD) protection mechanisms.
Verified for unclamped inductive switching (UIS) performance.

Applications

Load switch applications
General purpose switching applications

Procurement Notes

Verify the specific manufacturer source when sourcing this component, as multiple entities may list the AO4490 part number. Confirm that the received device matches the Alpha & Omega Semiconductor specification sheet regarding electrical limits and package type. Ensure compliance with RoHS and Halogen-free requirements if the AO4490L variant is required, noting that both variants are electrically identical but differ in material composition.

Selection Notes

Select the AO4490 for circuits requiring a 30V N-channel MOSFET with high current capability up to 16A. It is suitable for designs needing low drive voltage compatibility down to 4.5V. Consider its ESD protection and UIS testing results for robustness in inductive load environments. Compare its RDS(ON) values against other 30V devices to ensure efficiency meets system thermal constraints.

Part Context

The AO4490 belongs to the family of N-Channel Enhancement Mode Field Effect Transistors from Alpha & Omega Semiconductor. It is designed using trench technology to optimize performance metrics such as on-resistance and gate charge. The device is marketed for general-purpose and load switch applications, offering a balance of voltage rating, current handling, and drive voltage flexibility within a standard surface-mount package.

Replacement Considerations

Publicly confirmed substitute part numbers for the AO4490 were not identified in the provided documentation. Users should consult official manufacturer cross-reference lists or datasheets for verified alternatives, ensuring that any replacement matches the 30V VDS, 16A ID, and package specifications.