AO3457
MOSFET P-CH 30V 4.3A SOT23-3Manufacturer: Alpha & Omega Semiconductor Inc.
Categories: Single FETs, MOSFETs
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Alpha & Omega Semiconductor Inc. AO3457 is a P-Channel enhancement mode MOSFET designed for efficient power switching applications. This device features a Drain-to-Source Voltage (Vdss) of 30 V and a continuous Drain Current (Id) of 4.3 A at 25°C, with a maximum power dissipation of 1.4 W (Ta). The AO3457 exhibits a low on-resistance of 48 mOhm at 4.3 A and 10 V Vgs, supported by a gate drive voltage range from 4.5 V to 10 V. Key parameters include a maximum gate charge (Qg) of 20 nC and an input capacitance (Ciss) of 520 pF at 15 V Vds. The MOSFET is housed in a compact SOT-23-3 package, suitable for surface mounting. Operating across a temperature range of -55°C to 150°C (TJ), this component is widely utilized in automotive, industrial, and consumer electronics sectors requiring high-efficiency switching.
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 | 4.3A (Ta) |
| Rds On (Max) @ Id, Vgs | 48mOhm @ 4.3A, 10V |
| FET Feature | - |
| Power Dissipation (Max) | 1.4W (Ta) |
| Vgs(th) (Max) @ Id | 2.4V @ 250µA |
| Supplier Device Package | SOT-23-3 |
| Drive Voltage (Max Rds On, Min Rds On) | 4.5V, 10V |
| Vgs (Max) | ±20V |
| Drain to Source Voltage (Vdss) | 30 V |
| Gate Charge (Qg) (Max) @ Vgs | 20 nC @ 10 V |
| Input Capacitance (Ciss) (Max) @ Vds | 520 pF @ 15 V |
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