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Product Detailed Parameters
- Description：30V 5.8A 28MR@10V,5.8A 1.4W 3V@2
- Series：UMW
- Mfr：UMW
- Package：Tape & Reel (TR),Cut Tape (CT)
- FET Type：N-Channel
- Technology：MOSFET (Metal Oxide)
- Drain to Source Voltage (Vdss)：30 V
- Current - Continuous Drain (Id) @ 25°C：5.8A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：4.5V, 10V
- Rds On (Max) @ Id, Vgs：25mOhm @ 5.8A, 10V
- Vgs(th) (Max) @ Id：3V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：17 nC @ 10 V
- Vgs (Max)：±20V
- Input Capacitance (Ciss) (Max) @ Vds：820 pF @ 15 V
- FET Feature：-
- Power Dissipation (Max)：1.4W (Ta)
- Operating Temperature：150°C (TJ)
- Grade：-
- Qualification：-
- Mounting Type：Surface Mount
- Supplier Device Package：SOT-23
- Package / Case：TO-236-3, SC-59, SOT-23-3
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Overview
The UMW AO3404A is an N-Channel Enhancement Mode MOSFET housed in a SOT-23 package. It features a Drain-Source Voltage (VDS) of 30V and a continuous Drain Current (ID) of 5.8A at VGS=10V. The On-State Drain-Source Resistance (RDS(ON)) is specified as 25mΩ at VGS=10V and 36mΩ at VGS=4.5V. Additional electrical characteristics include a Gate Threshold Voltage (VGS(th)) ranging from 1V to 3V, a maximum Gate-Source Voltage (VGS) of ±20V, and a Pulsed Drain Current (IDM) of 20A.
Feature Summary
- N-Channel Enhancement Mode MOSFET configuration
- SOT-23 surface-mount packaging
- Integrated body diode with defined forward voltage and reverse recovery characteristics
Applications
- Power management circuits
- Load switching applications
- DC-DC converter topologies
Procurement Notes
Verify the specific manufacturer designation on the component marking, as the AO3404A part number is widely utilized by multiple semiconductor vendors including Alpha & Omega Semiconductor and UMW. Confirm that the datasheet parameters match your design requirements, particularly regarding RDS(ON) values and thermal resistance limits. Ensure the package dimensions align with your PCB footprint specifications before finalizing procurement.
Selection Notes
Select this component for low-voltage, high-current switching applications requiring a compact SOT-23 form factor. Evaluate the RDS(ON) performance at your specific gate drive voltage, as the datasheet provides distinct values for 10V and 4.5V gate biases. Consider the thermal dissipation capabilities and junction temperature ratings when designing for continuous current loads near the 5.8A limit.
Part Context
The AO3404A is a standard industry part number for a 30V N-Channel MOSFET. While UMW produces this variant, the designation is also commonly associated with Alpha & Omega Semiconductor. Designers should reference the specific manufacturer's datasheet for precise electrical tolerances and reliability data, as parameters can vary between different production sources using the same base model name.
Replacement Considerations
Direct replacements include other 30V N-Channel MOSFETs in SOT-23 packages with comparable ID and RDS(ON) specifications. Verify pinout compatibility and thermal characteristics when substituting.
