AO4304

$0.60

Description：MOSFET N CH 30V 18A 8SOIC
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:61d18951564e Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

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Product introduction

Product Detailed Parameters

Description：MOSFET N CH 30V 18A 8SOIC
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR),Cut Tape (CT)
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：6mOhm @ 15A, 10V
Vgs(th) (Max) @ Id：2.4V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：29 nC @ 10 V
Vgs (Max)：±20V
Input Capacitance (Ciss) (Max) @ Vds：1920 pF @ 15 V
FET Feature：-
Power Dissipation (Max)：3.6W (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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AO4304

Overview

The AO4304 is a 30V N-Channel Power MOSFET manufactured by Alpha & Omega Semiconductor. It utilizes advanced trench technology to achieve low on-resistance, making it suitable for load switch and battery protection applications. Key electrical parameters include a Drain-Source Voltage (VDS) of 30V, a Continuous Drain Current (ID) of 18A at VGS=10V, and a maximum On-State Resistance (RDS(ON)) of less than 6.0mΩ at VGS=10V and 7.6mΩ at VGS=4.5V. The device features 100% UIS testing, a Junction-to-Ambient Thermal Resistance (RθJA) of 65°C/W in steady-state, and operates within a junction temperature range of -55°C to 150°C.

Feature Summary

Advanced trench MOSFET technology combined with a low resistance package to deliver extremely low RDS(ON).
Guaranteed avalanche capability verified through 100% Unclamped Inductive Switching (UIS) testing.
Designed specifically for efficient load switching and battery protection circuitry.

Applications

Load switch applications
Battery protection circuits

Procurement Notes

Verify the specific ordering suffix against the manufacturer's official documentation to confirm pinout compatibility and package variations. Ensure that the component meets the required thermal management standards for your specific PCB layout, as the stated thermal resistance values depend heavily on copper area and airflow conditions. Confirm that the intended application does not involve life support systems, as these uses are explicitly unauthorized by the manufacturer.

Selection Notes

Select this component when a 30V N-Channel MOSFET with high current handling capabilities is required for power management tasks. The low gate charge and fast switching characteristics make it appropriate for applications where efficiency and speed are critical. Consider the thermal constraints of the SOIC-8 package and ensure adequate heat dissipation strategies are implemented for continuous high-current operations.

Part Context

The AO4304 belongs to the family of N-Channel Power MOSFETs produced by Alpha & Omega Semiconductor. These devices are engineered using proprietary trench technology to optimize the trade-off between conduction losses and switching performance. The product line targets consumer electronics and industrial systems requiring reliable power switching solutions with compact footprints.

Replacement Considerations

Direct substitutes must match the 30V voltage rating, N-channel configuration, and SOIC-8 package. Verify that alternative components offer comparable RDS(ON) values and thermal resistance characteristics to maintain circuit performance without redesign.