AO3481
MOSFET P-CH 30V 4A SOT23-3Manufacturer: Alpha & Omega Semiconductor Inc.
Categories: Single FETs, MOSFETs
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The Alpha & Omega Semiconductor Inc. AO3481 is a P-Channel MOSFET designed for demanding applications. This component features a Drain-to-Source Voltage (Vdss) of 30V and a continuous Drain Current (Id) of 4A at 25°C, with a maximum power dissipation of 1.4W (Ta). The AO3481 offers a low on-resistance (Rds On) of 50mOhm maximum at 4A and 10V Vgs. Key parameters include a Gate Charge (Qg) of 20 nC maximum at 10V Vgs and an input capacitance (Ciss) of 645 pF maximum at 15V Vds. It supports gate drive voltages from 2.5V to 10V and has a maximum Vgs of ±12V. The threshold voltage (Vgs(th)) is 1.3V maximum at 250µA. Packaged in a SOT-23-3 variant, this device is suitable for surface mounting and operates across a temperature range of -55°C to 150°C. This component finds application in power management and switching circuits within the consumer electronics and industrial automation sectors.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: Tape & Reel (TR)Download Free CAD Model:
Technical Details:
| Packaging | Tape & Reel (TR) |
| Package / Case | 3-SMD, SOT-23-3 Variant |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| Technology | MOSFET (Metal Oxide) |
| FET Type | P-Channel |
| Current - Continuous Drain (Id) @ 25°C | 4A (Ta) |
| Rds On (Max) @ Id, Vgs | 50mOhm @ 4A, 10V |
| FET Feature | - |
| Power Dissipation (Max) | 1.4W (Ta) |
| Vgs(th) (Max) @ Id | 1.3V @ 250µA |
| Supplier Device Package | SOT-23-3 |
| Drive Voltage (Max Rds On, Min Rds On) | 2.5V, 10V |
| Vgs (Max) | ±12V |
| Drain to Source Voltage (Vdss) | 30 V |
| Gate Charge (Qg) (Max) @ Vgs | 20 nC @ 10 V |
| Input Capacitance (Ciss) (Max) @ Vds | 645 pF @ 15 V |
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