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Product Detailed Parameters
- Description：MOSFET N-CH 30V 4A SOT23-3
- 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：4A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：2.5V, 10V
- Rds On (Max) @ Id, Vgs：55mOhm @ 4A, 10V
- Vgs(th) (Max) @ Id：1.4V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：4.34 nC @ 4.5 V
- Vgs (Max)：±12V
- Input Capacitance (Ciss) (Max) @ Vds：390 pF @ 15 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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Overview
The AO3402L is an N-Channel Enhancement Mode Field Effect Transistor manufactured by Alpha & Omega Semiconductor. It utilizes advanced trench technology to deliver excellent R DS(ON) and low gate charge characteristics. The device is designed for use as a load switch or in PWM applications. Key electrical parameters include a Drain-Source Voltage (V DS) of 30V and a continuous Drain Current (I D) of 4A. The on-resistance is specified as less than 55mΩ at V GS = 10V, less than 70mΩ at V GS = 4.5V, and less than 110mΩ at V GS = 2.5V. It is housed in a TO-236 (SOT-23) package.
Feature Summary
- Advanced trench technology provides excellent on-resistance and low gate charge.
- Capable of operation with gate voltages as low as 2.5V.
- Suitable for use as a load switch or in PWM applications.
Applications
- Load switch circuits
- PWM applications
Procurement Notes
Verify the specific suffix 'L' indicates the Green Product lead-free packaging option compliant with RoHS standards. Confirm that the AO3402L is electrically identical to the standard AO3402 variant while ensuring the ordering code matches the required environmental specifications for the project.
Selection Notes
Select this component when a 30V N-channel MOSFET with low gate drive requirements is needed. The 2.5V gate voltage capability makes it suitable for logic-level control applications. Ensure the SOT-23 package size fits the PCB layout constraints and that the 4A current rating meets the load requirements.
Part Context
The AO3402L belongs to the AO34 series of N-Channel Enhancement Mode Field Effect Transistors from Alpha & Omega Semiconductor. This series is characterized by the use of advanced trench technology to achieve low on-resistance and fast switching speeds within compact surface-mount packages like the SOT-23.
Replacement Considerations
The AO3402L is electrically identical to the AO3402. Verify pinout compatibility and thermal performance if substituting with other 30V N-channel SOT-23 MOSFETs from different manufacturers.
