AO4490L

Description：MOSFET N-CH 30V 16A 8SO
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Bulk

SKU:bb38aba4123b Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

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Product introduction

Product Detailed Parameters

Description：MOSFET N-CH 30V 16A 8SO
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Bulk
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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AO4490L

Overview

The AO4490L 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. The device is housed in an SOIC-8 package and is electrically identical to the AO4490. Key electrical parameters include a drain-source breakdown voltage (BVDSS) of 30V, a continuous drain current (ID) of 16A at VGS=10V, and a maximum junction temperature of 150°C.

Feature Summary

Advanced trench technology provides excellent RDS(ON) performance and low gate charge for efficient switching.
Capable of operating with gate voltages as low as 4.5V while retaining a 20V VGS(MAX) rating.
Includes ESD protection and has been tested for Unclamped Inductive Switching (UIS).
Halogen-free construction compliant with RoHS standards.

Applications

Load switch applications
General purpose switching circuits

Procurement Notes

Verify component authenticity through authorized distribution channels. Confirm that the specific order matches the AO4490L designation, noting its electrical equivalence to the AO4490. Ensure compliance with environmental requirements such as halogen-free status if specified. Review datasheet limitations regarding consumer market qualification and critical application restrictions before procurement.

Selection Notes

Select this component for designs requiring a 30V N-channel MOSFET with high current handling capabilities up to 16A. Consider the low gate charge characteristics for driving efficiency in logic-level control scenarios. Evaluate thermal management needs based on the SOIC-8 package power dissipation ratings and junction-to-ambient thermal resistance values provided in the datasheet.

Part Context

This part belongs to the AO4490 series from Alpha & Omega Semiconductor. The 'L' suffix denotes a halogen-free variant, whereas the base AO4490 model shares identical electrical specifications. Both variants are designed for general-purpose use and load switching within the consumer electronics sector.

Replacement Considerations

The AO4490 is confirmed as an electrically identical substitute. Verify pinout compatibility and package dimensions (SOIC-8) when swapping between these variants.