AO3451
MOSFET P-CH 30V 4A SOT23-3Manufacturer: Alpha & Omega Semiconductor Inc.
Categories: Single FETs, MOSFETs
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The Alpha & Omega Semiconductor Inc. AO3451 is a P-Channel Power MOSFET designed for efficient switching applications. This device features a Drain-Source Voltage (Vds) of 30V and a continuous Drain Current (Id) of 4A at 25°C, with a maximum Power Dissipation of 1.4W. Its low Rds(on) of 50mOhm at 4A and 10V gate drive ensures minimal conduction losses. The AO3451 is housed in a compact SOT-23-3 package, suitable for surface mounting and commonly found in power management circuits across consumer electronics, computing, and industrial automation sectors. Key electrical parameters include a Gate Charge (Qg) of 14 nC and an Input Capacitance (Ciss) of 645 pF, both specified at typical operating conditions. The device operates within a temperature range of -55°C to 150°C.
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 | 14 nC @ 10 V |
| Input Capacitance (Ciss) (Max) @ Vds | 645 pF @ 15 V |
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