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Product Detailed Parameters
- Description：MOSFET 2N-CH 30V 6A 8SOIC
- Series：-
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR)
- Technology：MOSFET (Metal Oxide)
- Configuration：2 N-Channel (Dual)
- FET Feature：-
- Drain to Source Voltage (Vdss)：30V
- Current - Continuous Drain (Id) @ 25°C：6A
- Rds On (Max) @ Id, Vgs：30mOhm @ 6A, 10V
- Vgs(th) (Max) @ Id：2.4V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：6.3nC @ 10V
- Input Capacitance (Ciss) (Max) @ Vds：310pF @ 15V
- Power - Max：2W
- Operating Temperature：-55°C ~ 150°C (TJ)
- Mounting Type：Surface Mount
- Package / Case：8-SOIC (0.154", 3.90mm Width)
- Supplier Device Package：8-SOIC
- Grade：-
- Qualification：-
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Overview
The AO4812 is a dual N-channel enhancement mode MOSFET manufactured by Alpha & Omega Semiconductor Inc. It utilizes advanced trench technology to achieve low on-resistance and gate charge. The device features a drain-source voltage (VDS) of 30V, a continuous drain current (ID) of 6A at VGS=10V, and an on-state resistance (RDS(ON)) of less than 30mΩ at VGS=10V. It is housed in an SOIC-8 package with a maximum junction temperature range of -55°C to 150°C.
Feature Summary
- Dual N-channel configuration designed for compact synchronous rectifier applications
- Advanced trench technology providing low gate charge and excellent RDS(ON)
- Validated for unclamped inductive switching (UIS) performance
Applications
- Buck converters
- Synchronous rectification
- General purpose switching
Procurement Notes
Verify the specific revision status against the manufacturer's latest documentation before finalizing designs. Confirm that the component meets all required environmental standards and packaging specifications for the intended manufacturing process. Ensure compatibility with existing board layouts and thermal management strategies.
Selection Notes
Select this component for applications requiring a dual N-channel MOSFET in an SOIC-8 package. Evaluate the thermal characteristics based on the specific PCB copper area and airflow conditions. Consider the gate charge requirements relative to the driving circuit capabilities to ensure efficient switching performance.
Part Context
The AO4812 belongs to the family of dual N-channel MOSFETs from Alpha & Omega Semiconductor. It shares the SOIC-8 footprint with similar devices but offers specific electrical characteristics tailored for synchronous rectification in buck converter topologies. The dual configuration allows for space-efficient designs compared to using discrete single-channel components.
Replacement Considerations
When replacing the AO4812, verify that substitute parts match the 30V VDS rating, 6A ID capability, and SOIC-8 package dimensions. Ensure the replacement maintains comparable RDS(ON) values and gate charge characteristics to preserve switching efficiency and thermal performance in the original design.
