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Product Detailed Parameters
- Description：MOSFET N-CH 30V 3.8A 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：3.8A (Ta)
- Drive Voltage (Max Rds On, Min Rds On)：2.5V, 10V
- Rds On (Max) @ Id, Vgs：55mOhm @ 3.8A, 10V
- Vgs(th) (Max) @ Id：1.5V @ 250µA
- Gate Charge (Qg) (Max) @ Vgs：20 nC @ 10 V
- Vgs (Max)：±12V
- Input Capacitance (Ciss) (Max) @ Vds：235 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 AO3498 is a P-Channel MOSFET manufactured by Alpha & Omega Semiconductor Inc. It features a drain-source voltage (VDS) of -30V and a continuous drain current (ID) of -5.8A at VGS = -10V. The device offers a maximum on-resistance (RDS(on)) of 27mΩ at VGS = -10V and 45mΩ at VGS = -4.5V. It operates within a temperature range of -55°C to +150°C and is housed in an SOT-23 package.
Feature Summary
- Utilizes advanced trench technology for low on-resistance
- Designed for high-speed switching applications
- Enhanced gate threshold voltage stability
Applications
- DC/DC converters
- Load switches
- Power management circuits
Procurement Notes
Verify the specific datasheet revision and ordering information directly from Alpha & Omega Semiconductor Inc. official documentation. Ensure that the requested part number matches the exact electrical specifications required for your design, particularly regarding thermal performance and package type compatibility.
Selection Notes
Select this component when a compact P-Channel solution is needed for low-voltage power switching. Consider the RDS(on) values at different gate voltages to ensure efficient operation with your specific logic levels. Verify thermal dissipation requirements against the SOT-23 package capabilities.
Part Context
This component belongs to the standard discrete MOSFET lineup from Alpha & Omega Semiconductor. It is designed for general-purpose power switching tasks where space constraints are critical. The SOT-23 package provides a balance between current handling and board real estate efficiency.
Replacement Considerations
Check for direct pin-compatible alternatives such as the AO3401 or similar -30V P-Channel MOSFETs from other manufacturers if supply issues arise. Ensure substitute parts meet or exceed the original current and resistance specifications.
