AO3421E
MOSFET P-CH 30V 3A SOT23-3LManufacturer: Alpha & Omega Semiconductor Inc.
Categories: Single FETs, MOSFETs
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The Alpha & Omega Semiconductor Inc. AO3421E is a P-Channel, 30V MOSFET designed for efficient power switching applications. This component features a maximum continuous drain current (Id) of 3A at 25°C and a low on-resistance (Rds On) of 95mOhm at 3A and 10V gate-source voltage. The device is packaged in a compact SOT-23-3 variant, suitable for surface mount assembly. Key parameters include a gate charge (Qg) of 8 nC maximum at 10V and input capacitance (Ciss) of 215 pF maximum at 15V drain-source voltage. With a maximum power dissipation of 1.4W (Ta) and an operating temperature range of -55°C to 150°C, the AO3421E is well-suited for use in portable electronics, consumer devices, and power management solutions. The threshold gate-source voltage (Vgs(th)) is 2.5V maximum at 250µA.
Additional Information
Series: -RoHS Status: ROHS3 CompliantManufacturer Lead Time: 16 week(s)Product Status: Not For New DesignsPackaging: Tape & Reel (TR)Datasheet: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 | 3A (Ta) |
| Rds On (Max) @ Id, Vgs | 95mOhm @ 3A, 10V |
| FET Feature | - |
| Power Dissipation (Max) | 1.4W (Ta) |
| Vgs(th) (Max) @ Id | 2.5V @ 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 | 8 nC @ 10 V |
| Input Capacitance (Ciss) (Max) @ Vds | 215 pF @ 15 V |
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