AOI4146

Description：MOSFET N-CH 30V 15A/55A TO251A
Series：SDMOS™
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tube

SKU:b0f78c9108f4 Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

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Product introduction

Product Detailed Parameters

Description：MOSFET N-CH 30V 15A/55A TO251A
Series：SDMOS™
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tube
FET Type：N-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：30 V
Current - Continuous Drain (Id) @ 25°C：15A (Ta), 55A (Tc)
Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
Rds On (Max) @ Id, Vgs：5.6mOhm @ 20A, 10V
Vgs(th) (Max) @ Id：3V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：42 nC @ 10 V
Vgs (Max)：±20V
Input Capacitance (Ciss) (Max) @ Vds：2440 pF @ 15 V
FET Feature：-
Power Dissipation (Max)：2.5W (Ta), 62W (Tc)
Operating Temperature：-55°C ~ 175°C (TJ)
Grade：-
Qualification：-
Mounting Type：Through Hole
Supplier Device Package：TO-251A
Package / Case：TO-251-3 Stub Leads, IPAK

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AOI4146

Overview

The AOI4146 is a 30V N-Channel MOSFET manufactured by Alpha & Omega Semiconductor Inc. It utilizes SDMOS trench technology to achieve low on-resistance and reduced gate charge, ensuring high efficiency and controlled switching behavior. The device features a maximum drain-source voltage of 30V and a continuous drain current exceeding 55A at VGS=10V. Its on-resistance is less than 5.6mΩ at VGS=10V and remains below specified limits at VGS=4.5V.

Feature Summary

SDMOS trench technology integration for optimized performance
Low on-resistance combined with minimal gate charge
Controlled switching characteristics for stable operation

Applications

Pulse Width Modulation (PWM) circuits
Load switching applications
General purpose power switching tasks

Procurement Notes

Verify the specific datasheet version and manufacturing lot details upon procurement. Confirm that the component matches the official Alpha & Omega Semiconductor specifications for the AOI4146 part number. Ensure compatibility with intended thermal and electrical requirements before finalizing supply chain agreements.

Selection Notes

Select this component when designing circuits requiring efficient switching at 30V levels. The low gate charge supports faster transition times, while the robust on-resistance minimizes conduction losses. Evaluate thermal management needs based on the expected load current and ambient operating conditions.

Part Context

This N-Channel MOSFET belongs to the SDMOS family from Alpha & Omega Semiconductor. The series emphasizes efficiency through advanced trench fabrication methods. It serves as a discrete semiconductor solution for modern power management architectures requiring reliable switching capabilities.