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Product Detailed Parameters
- Description：MOSFET N-CH 30V 18A 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：18A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：5.8mOhm @ 18A, 10V
- Vgs(th) (Max) @ Id：2.3V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：50 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：2760 pF @ 15 V
- FET Feature：-
- Power Dissipation (Max)：3.1W (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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Overview
The AO4498E is a dual N-channel MOSFET array manufactured by Alpha & Omega Semiconductor Inc. It features a drain-source voltage (Vdss) of 30V and a continuous drain current (Id) of 18A at 25°C. The device offers a maximum on-resistance (Rds(on)) of 4mΩ at Vgs=10V and Id=18A. It is housed in an 8-SOIC surface-mount package with a power dissipation rating of 3.1W. The component operates within a junction temperature range of -55°C to 150°C.
Feature Summary
- Dual N-channel configuration for space-efficient circuit design
- Low on-resistance for high efficiency power switching
- Logic-level gate drive capability
Applications
- DC-DC converter output stages
- Motor control circuits
- Power management modules
Procurement Notes
Verify the obsolete status of this part number before procurement planning. Confirm availability through authorized distributors or approved substitute components. Ensure that any replacement parts meet the original electrical specifications and package dimensions to maintain system compatibility and reliability standards.
Selection Notes
Select this component for applications requiring low Rds(on) and high current handling in a compact SOIC-8 package. Consider the 30V voltage rating and 18A current capacity when designing power stages. Evaluate thermal management requirements due to the 3.1W power dissipation limit in the specified package type.
Part Context
The AO4498E belongs to the AO44xx series of N-channel MOSFETs from Alpha & Omega Semiconductor. This series is designed for general-purpose power switching applications. The device utilizes advanced trench technology to achieve low specific on-resistance, making it suitable for efficient power conversion systems.
Replacement Considerations
Publicly confirmed substitutes include AO4498. Verify pinout compatibility and electrical parameters such as Vdss, Id, and Rds(on) when selecting alternatives.
