AO3442

$0.44

Description：MOSFET N-CH 100V 1A SOT23-3L
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR),Cut Tape (CT)

SKU:8cfe06ea00ad Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

Consult the customer manager about the wholesale price.

consultation hotline：86-132-6715-2157

email：[email protected]
Contact the product manager for consultation. One-stop consultation is available.

Do you want a lower wholesale price? Please send us your inquiry and we will reply immediately.

Product introduction

Product Detailed Parameters

Description：MOSFET N-CH 100V 1A SOT23-3L
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)：100 V
Current - Continuous Drain (Id) @ 25°C：1A (Ta)
Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
Rds On (Max) @ Id, Vgs：630mOhm @ 1A, 10V
Vgs(th) (Max) @ Id：2.9V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：6 nC @ 10 V
Vgs (Max)：±20V
Input Capacitance (Ciss) (Max) @ Vds：100 pF @ 50 V
FET Feature：-
Power Dissipation (Max)：1.4W (Ta)
Operating Temperature：-55°C ~ 150°C (TJ)
Grade：-
Qualification：-
Mounting Type：Surface Mount
Supplier Device Package：SOT-23-3
Package / Case：3-SMD, SOT-23-3 Variant

Download product information

AO3442

Overview

The AO3442 is a 100V N-Channel Enhancement Mode MOSFET manufactured by Alpha & Omega Semiconductor. It utilizes advanced trench technology to achieve low on-resistance in a compact SOT-23 package. Key electrical parameters include a drain-source voltage (BVDSS) of 100V, a continuous drain current (ID) of 1A at VGS=10V, and an on-state resistance (RDS(ON)) of less than 630mΩ at VGS=10V and ID=1A. The device supports a gate-source voltage range of ±20V and operates within a junction temperature range of -55°C to 150°C.

Feature Summary

Advanced trench MOSFET technology for enhanced performance
Low resistance package design minimizing conduction losses
High breakdown voltage capability suitable for demanding circuits

Applications

Boost converters
Synchronous rectifiers
Consumer power supplies
Telecom power supplies
LED backlighting

Procurement Notes

Verify the specific datasheet revision and manufacturing date code upon procurement. Confirm that the component matches the exact part number AO3442 from Alpha & Omega Semiconductor. Ensure compatibility with your board's thermal management requirements, as the junction-to-ambient thermal resistance depends heavily on the copper area and airflow conditions of the final PCB layout.

Selection Notes

Select this component when a 100V rating is required in a small surface-mount footprint. It is appropriate for applications needing moderate current handling up to 1A with efficient switching characteristics. Consider the thermal constraints of the SOT-23 package and ensure adequate copper pour for heat dissipation if operating near maximum ratings.

Part Context

This component belongs to the Alpha & Omega Semiconductor lineup of N-Channel MOSFETs designed for general-purpose switching applications. The AO3442 specifically targets markets requiring reliable power management solutions in space-constrained environments such as portable electronics and industrial control systems.