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Product Detailed Parameters
- Description：MOSFET N-CH 30V 3.5A SOT23-3L
- Series：-
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR)
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：30 V
- Current - Continuous Drain (Id) @ 25°C：3.5A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：52mOhm @ 4.2A, 10V
- Vgs(th) (Max) @ Id：1.8V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：7.2 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：340 pF @ 15 V
- FET Feature：-
- Power Dissipation (Max)：1W (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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Overview
The AO3434 is an N-Channel Enhancement Mode Field Effect Transistor manufactured by Alpha & Omega Semiconductor. It utilizes advanced trench technology to achieve low on-resistance and gate charge, making it suitable for load switch and PWM applications. The device features a drain-source voltage rating of 30V and a continuous drain current of 5.8A at VGS=10V. The on-resistance is specified as less than 28mΩ at VGS=10V and less than 43mΩ at VGS=4.5V. It is housed in a TO-236 (SOT-23) package.
Feature Summary
- Advanced trench MOSFET technology for optimized performance
- Low on-resistance characteristics across standard gate voltages
- Low gate charge for efficient switching operations
Applications
- Load switch circuits
- Pulse Width Modulation (PWM) applications
Procurement Notes
Verify the specific suffix of the part number when ordering, as variations may exist regarding environmental compliance or packaging. Confirm that the component meets RoHS standards if required by your design specifications. Ensure the sourcing channel provides authentic Alpha & Omega Semiconductor products to guarantee electrical parameter consistency and reliability.
Selection Notes
Select this component for designs requiring a compact N-channel MOSFET with low conduction losses. The SOT-23 package is ideal for space-constrained PCB layouts. Consider the gate drive voltage requirements, as on-resistance varies significantly between 4.5V and 10V gate biases. Ensure the thermal management strategy supports the power dissipation limits within the small outline package.
Part Context
This component belongs to the Alpha & Omega Semiconductor discrete transistor portfolio, specifically designed for general-purpose switching tasks. It is part of a family of N-channel enhancement mode devices utilizing trench technology. The AO3434 shares electrical similarities with other models in the series, offering a balance of performance and cost-effectiveness for consumer and industrial electronics.
Replacement Considerations
The AO3404L is electrically identical to the AO3404 and serves as a verified substitute option. Verify pinout compatibility and package dimensions before replacing existing components in a design.
