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AO3401
+BOMMOSFET P-CH 30V 4A SOT23-3
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ManufacturerAlpha & Omega Semiconductor Inc.
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Mfr. Part #AO3401
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Datasheet AO3401 DataSheet
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Package SOT-23
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In Stock6918
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Specifications
| Attribute | Value |
| Package | Tape & Reel (TR) |
| ProductStatus | Not For New Designs |
| FETType | P-Channel |
| Technology | MOSFET (Metal Oxide) |
| DraintoSourceVoltage(Vdss) | 30 V |
| Current-ContinuousDrain(Id)@25°C | 4A (Ta) |
| DriveVoltage(MaxRdsOnMinRdsOn) | 2.5V, 10V |
| RdsOn(Max)@IdVgs | 50mOhm @ 4A, 10V |
| Vgs(th)(Max)@Id | 1.3V @ 250µA |
| GateCharge(Qg)(Max)@Vgs | 14 nC @ 10 V |
| Vgs(Max) | ±12V |
| InputCapacitance(Ciss)(Max)@Vds | 645 pF @ 15 V |
| PowerDissipation(Max) | 1.4W (Ta) |
| OperatingTemperature | -55°C ~ 150°C (TJ) |
| MountingType | Surface Mount |
| SupplierDevicePackage | SOT-23-3 |
Overview
Equivalent
- SI2301 (Vishay)
- DMG2305 (Diodes Inc.)
- IRLML6401 (Infineon)
- FDC633P (Fairchild/ON Semi)
These offer similar specs (30V, -4.3A, low RDS(on)). Verify pinout and parameters for exact compatibility.
Features
- Voltage Rating: -30V drain-to-source (VDS).
- Current Rating: -4.3A continuous drain current (ID).
- Low On-Resistance: 40mΩ (max) at VGS = -10V.
- Gate Threshold: -1V to -2.5V (VGS(th)).
- Fast Switching: Low gate charge (Qg) and output capacitance (Coss).
- Package: SOT-23 (compact surface-mount).
- Applications: Power management, load switching, battery protection.
Ideal for low-voltage, high-efficiency circuits.
Manufacturer
Application
1. Power Management – Switching and load control in portable devices.
2. Battery Protection – Reverse polarity and discharge prevention.
3. DC-DC Converters – Efficient voltage regulation.
4. Load Switching – On/Off control in circuits.
5. Consumer Electronics – Smartphones, tablets, and wearables.
6. Automotive Systems – Low-power auxiliary circuits.
Its low on-resistance (RDS(on)) and compact SOT-23 package make it ideal for space-constrained, energy-efficient applications.