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Product Detailed Parameters
- Description：MOSFET P-CH 20V 3.5A SOT23-3L
- Series：-
- Mfr：Alpha & Omega Semiconductor Inc.
- Package：Tape & Reel (TR),Cut Tape (CT)
- FET Type：P-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：20 V
- Current - Continuous Drain (Id) @ 25°C：3.5A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：1.8V, 10V
- Rds On (Max) @ Id, Vgs：85mOhm @ 3.5A, 10V
- Vgs(th) (Max) @ Id：1.4V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：4.4 nC @ 4.5 V
- Vgs (Max)：±12V
- Input Capacitance (Ciss) (Max) @ Vds：400 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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Overview
The AO3419 is a P-Channel Enhancement Mode Field Effect Transistor manufactured by Alpha & Omega Semiconductor. It utilizes advanced trench technology to achieve low on-resistance and gate charge, supporting operation with gate voltages as low as 2.5V. Key electrical parameters include a drain-source voltage (VDS) of -20V and a continuous drain current (ID) of -3.5A. The device offers an RDS(ON) of less than 75mΩ at VGS = -10V, less than 95mΩ at VGS = -4.5V, and less than 145mΩ at VGS = -2.5V. It features ESD protection rated at 2000V HBM.
Feature Summary
- Advanced trench technology for 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
- ESD protected with a rating of 2000V HBM
Applications
- Load switching
- PWM applications
Procurement Notes
Verify the specific datasheet version and package type when sourcing. Confirm that the component meets RoHS requirements if the 'L' suffix variant is required for lead-free compliance. Ensure the selected supplier provides authentic parts from Alpha & Omega Semiconductor to guarantee performance specifications are met.
Selection Notes
Select this component for circuits requiring a compact P-channel MOSFET with low drive voltage capability. The -20V rating and -3.5A current capacity define its operational limits. Consider the low gate charge characteristics for efficiency in high-frequency switching environments where rapid transitions are necessary.
Part Context
This part belongs to the Alpha & Omega Semiconductor P-Channel MOSFET family. It is designed for general-purpose switching applications. The device is available in a lead-free package option designated as AO3419L. It serves as a direct replacement for similar -20V P-Channel devices in space-constrained designs.
Replacement Considerations
Check pinout compatibility and thermal resistance values when substituting. Verify that alternative components support the same 2.5V minimum gate drive requirement. Ensure the substitute device maintains equivalent ESD protection levels.
