AO3493

Description：MOSFET P-CH 20V 3A SOT23-3
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)

SKU:738c8ce32a2c Category: Single FETs, MOSFETs Brand: Alpha & Omega Semiconductor Inc.

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Product introduction

Product Detailed Parameters

Description：MOSFET P-CH 20V 3A SOT23-3
Series：-
Mfr：Alpha & Omega Semiconductor Inc.
Package：Tape & Reel (TR)
FET Type：P-Channel
Technology：MOSFET (Metal Oxide)
Drain to Source Voltage (Vdss)：20 V
Current - Continuous Drain (Id) @ 25°C：3A (Ta)
Drive Voltage (Max Rds On, Min Rds On)：1.8V, 4.5V
Rds On (Max) @ Id, Vgs：80mOhm @ 3A, 4.5V
Vgs(th) (Max) @ Id：1V @ 250µA
Gate Charge (Qg) (Max) @ Vgs：20 nC @ 4.5 V
Vgs (Max)：±8V
Input Capacitance (Ciss) (Max) @ Vds：500 pF @ 10 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

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AO3493

Overview

The AO3493 is an N-Channel MOSFET manufactured by Alpha & Omega Semiconductor Inc. It features a drain-source voltage (VDS) of 30V and a continuous drain current (ID) of 5.7A at VGS=10V. The device exhibits low on-resistance, with RDS(ON) less than 28mΩ at VGS=10V and less than 36mΩ at VGS=4.5V. It is housed in a SOT-23 package.

Feature Summary

Advanced trench MOSFET technology for low resistance
Designed for load switch applications
Suitable for battery protection circuits

Applications

Load switches
Battery protection
Power management systems

Procurement Notes

Verify the specific datasheet version and ordering information directly from Alpha & Omega Semiconductor or authorized distributors to ensure compliance with current specifications. Confirm package type and marking codes match project requirements before finalizing procurement.

Selection Notes

Select this component for applications requiring a 30V N-Channel MOSFET with high current capability in a compact SOT-23 package. Ensure gate drive voltages align with the specified RDS(ON) conditions for optimal performance.

Part Context

This part belongs to the AO34xx series of N-Channel MOSFETs from Alpha & Omega Semiconductor. These devices are commonly used in portable electronics and power management solutions due to their small footprint and efficient switching characteristics.

Replacement Considerations

Compatible substitutes include AO3401A and AO3404A, which share similar 30V N-Channel specifications and SOT-23 packaging. Verify pinout compatibility and electrical parameters before substitution.

How to buy

Online and offline orders are supported. If the item is available for online purchase, you can place it in the cart; for wholesale pricing, please contact our product manager for a quote.

Payment Method

Payment methods: T/T, WeChat Pay, credit cards, Google Pay, Apple Pay . Buyer covers shipping, fees, duties, and taxes; contact our product manager if you need a contract/procurement process.

Delivery time

In-stock items usually ship within 24 hours. Otherwise, shipment is arranged 1 to 2 days after the items arrive at our warehouse. Timing depends on destination and shipping method.

Freight calculation

Freight cost depends on destination, package size, and weight . We offer shipping options via DHL, FedEx, UPS, and TNT , and can ship using your freight account upon request.

Mode of Transportation

We ship via DHL, FedEx, UPS, and TNT. If you prefer a specific logistics provider, we can ship using your designated carrier.

Return and Refund

Returns are accepted within 60 days of invoice with RMA approval. Items must be resalable; original invoice and test report are required. No returns for customer errors.