AO4456

$0.77

Description：MOSFET N-CH 30V 20A 8SOIC
Series：SRFET™
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:e0e2fb1bed24 Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

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Product introduction

Product Detailed Parameters

Description：MOSFET N-CH 30V 20A 8SOIC
Series：SRFET™
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：20A (Tc)
Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
Rds On (Max) @ Id, Vgs：4.6mOhm @ 20A, 10V
Vgs(th) (Max) @ Id：2.4V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：95 nC @ 10 V
Vgs (Max)：±12V
Input Capacitance (Ciss) (Max) @ Vds：5185 pF @ 15 V
FET Feature：Schottky Diode (Body)
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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AO4456

Overview

The AO4456 is a 30V N-Channel MOSFET manufactured by Alpha & Omega Semiconductor Inc. utilizing advanced trench technology with a monolithically integrated Schottky diode. It provides excellent RDS(ON) and low gate charge, suitable for use as a low side FET in SMPS, load switching, and general purpose applications. Key electrical parameters include a drain-source voltage (VDS) of 30V, continuous drain current (ID) of 20A at VGS=10V, and maximum on-resistance (RDS(ON)) of less than 4.6mΩ at VGS=10V and 5.6mΩ at VGS=4.5V. The device features a SOIC-8 package with a junction temperature range of -55°C to 150°C.

Feature Summary

Advanced trench technology with monolithically integrated Schottky diode
Excellent RDS(ON) performance and low gate charge
Suitable for low side FET applications in SMPS and load switching

Applications

Low side FET in Switch Mode Power Supplies (SMPS)
Load switching circuits
General purpose applications

Procurement Notes

Verify the component authenticity through official manufacturer channels or authorized distributors. Confirm the part number matches the specific datasheet revision and package type. Ensure compliance with RoHS standards and check for any lifecycle status changes before procurement.

Selection Notes

Select this component for applications requiring high current handling up to 20A with low on-resistance. Consider the thermal characteristics and package limitations for heat dissipation. Evaluate the gate charge requirements against the driving circuit capabilities to ensure efficient switching performance.

Part Context

The AO4456 belongs to the family of power MOSFETs designed for efficient power management. It is part of Alpha & Omega Semiconductor's portfolio focusing on high-performance discrete semiconductors for various electronic systems.

Replacement Considerations

Consult official substitution guides from Alpha & Omega Semiconductor for verified equivalent parts. Ensure replacement components match the electrical specifications and package dimensions.