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Product Detailed Parameters
- Description：MOSFET N-CH 40V 10A 8SOIC
- Series：-
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR)
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：40 V
- Current - Continuous Drain (Id) @ 25°C：10A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：10mOhm @ 10A, 10V
- Vgs(th) (Max) @ Id：3V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：37 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：1950 pF @ 20 V
- FET Feature：-
- Power Dissipation (Max)：1.7W (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 AO4484L is an obsolete N-Channel Silicon MOSFET from Alpha & Omega Semiconductor. It utilizes advanced trench technology to deliver low on-resistance and gate charge. The device features a 40V drain-source voltage rating and supports a continuous drain current of 10A at ambient temperature. It is housed in an 8-SOIC surface-mount package with a maximum power dissipation of 1.7W at Ta.
Feature Summary
- Advanced trench technology for optimized performance
- Low on-resistance characteristics
- Low gate charge capability
Applications
- General-purpose switching applications
- Power management circuits requiring N-channel control
Procurement Notes
This component is officially listed as obsolete by the manufacturer and is no longer recommended for new designs. Verification of availability should focus on surplus or secondary market sources rather than direct manufacturing channels. Designers must confirm end-of-life status and long-term supply risks before integration into production systems.
Selection Notes
Engineers replacing this part should evaluate modern equivalents that offer comparable voltage ratings and current handling capabilities. Considerations must include package compatibility, thermal performance, and switching speed parameters. Verify that substitute devices meet the specific electrical requirements of the original design intent.
Part Context
The AO4484L belongs to Alpha & Omega Semiconductor's portfolio of single N-channel MOSFETs. It represents a legacy product line utilizing trench technology for general-purpose applications. As an obsolete component, it serves primarily as a reference for existing designs requiring replacement or retrofitting.
Replacement Considerations
Publicly confirmed substitutes are not explicitly listed in the provided documentation. Engineers should consult official manufacturer cross-reference guides or datasheets for verified alternative part numbers suitable for redesign purposes.
