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Home Product AO3409 N-Channel MOSFET 30V 5.3A AOS Power Switch Battery Protection Load Switch
AO3409 MOSFETs

AO3409 N-Channel MOSFET 30V 5.3A AOS Power Switch Battery Protection Load Switch

AO3409 MOSFET
AO3409 SOT-23
AO3409 N-Channel
AO3409
The AO3409 MOSFET is an N-Channel enhancement-mode device in a compact SOT-23 package, featuring 30V/4.0A capability with low RDS(ON). Ideal for power management, load switching, and battery protection circuits requiring high efficiency in space-constrained designs.
Categories:Electronic components
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Product Description

The AO3409 MOSFET is a compact N-Channel enhancement-mode power transistor designed in the SOT-23 package, optimized for low-voltage applications. It features a maximum drain-source voltage (VDS) of 30V and a continuous drain current (ID) of 5.8A, with a low on-resistance (RDS(on)) of 28mΩ at 10V VGS. Operating within a temperature range of -55°C to 150°C, it supports a gate-source voltage (VGS) range of ±12V. The AO3409 is widely used in power management, battery protection circuits, and load switching across consumer electronics, automotive systems, and portable devices. Its SOT-23 form factor ensures space-efficient PCB integration, while its fast switching speed and low threshold voltage enhance energy efficiency. However, its current handling capacity limits high-power applications. While not directly incorporating communication interfaces, batteries, or sensors, it serves as a critical component in systems requiring efficient power distribution. Typical applications include DC-DC converters, motor drivers, and USB power switches.
Parameter Specification
Type N-Channel MOSFET
Package SOT-23
Drain-Source Voltage (VDS) 30V
Continuous Drain Current (ID) 4A
Gate-Source Threshold Voltage (VGS(th)) 1V to 2.5V
On-Resistance (RDS(on)) 50mΩ @ VGS=10V
60mΩ @ VGS=4.5V
Power Dissipation (PD) 1.4W
Operating Temperature -55°C to 150°C
Input Capacitance (Ciss) 370pF
Rise Time (tr) 8ns
question:Can the company ensure consistent product supply?
answer:Yes, we maintain optimized production planning and inventory systems for reliable supply.
question:Do you provide technical selection advisory services?
answer:Our engineering team offers expert technical consultation for product specifications.
question:Why are processing fees applied to transactions?
answer:Fees cover documentation, payment processing, and operational compliance requirements.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:Can the company ensure consistent product supply?
answer:Yes, we maintain optimized production planning and inventory systems for reliable supply.
question:Do you provide technical selection advisory services?
answer:Our engineering team offers expert technical consultation for product specifications.
question:Why are processing fees applied to transactions?
answer:Fees cover documentation, payment processing, and operational compliance requirements.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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