AO3422L
MOSFET N-CH 55V 2.1A SOT23-3Manufacturer: Alpha & Omega Semiconductor Inc.
Categories: Single FETs, MOSFETs
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Alpha & Omega Semiconductor Inc. AO3422L is an N-Channel Power MOSFET designed for efficient switching applications. This device features a drain-to-source voltage (Vdss) of 55 V and a continuous drain current (Id) rating of 2.1 A at 25°C, with a maximum power dissipation of 1.25 W. The AO3422L exhibits a maximum on-resistance (Rds On) of 160 mOhm at 2.1 A and a gate-source voltage (Vgs) of 4.5 V. Key parameters include a gate charge (Qg) of 3.3 nC (max) at 4.5 V and an input capacitance (Ciss) of 300 pF (max) at 25 V. The MOSFET operates with a gate drive voltage range from 2.5 V to 4.5 V, with a maximum Vgs of ±12V and a threshold voltage (Vgs(th)) of 2 V (max) at 250 µA. This component is housed in a SOT-23-3 package, suitable for surface mounting and supplied in tape and reel. Applications include power management, battery protection, and general-purpose switching in consumer electronics and industrial control systems.
Additional Information
Series: -RoHS Status: unknownManufacturer 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 | N-Channel |
| Current - Continuous Drain (Id) @ 25°C | 2.1A (Ta) |
| Rds On (Max) @ Id, Vgs | 160mOhm @ 2.1A, 4.5V |
| FET Feature | - |
| Power Dissipation (Max) | 1.25W (Ta) |
| Vgs(th) (Max) @ Id | 2V @ 250µA |
| Supplier Device Package | SOT-23-3 |
| Drive Voltage (Max Rds On, Min Rds On) | 2.5V, 4.5V |
| Vgs (Max) | ±12V |
| Drain to Source Voltage (Vdss) | 55 V |
| Gate Charge (Qg) (Max) @ Vgs | 3.3 nC @ 4.5 V |
| Input Capacitance (Ciss) (Max) @ Vds | 300 pF @ 25 V |
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