Alpha & Omega Semiconductor Inc.8-PowerWDFNRoHS
AON7421
MOSFET P-CH 20V 30A/50A 8DFN
Category
Subcategory
Transistors Fets Mosfets Single
Package
8-PowerWDFN
Status
Active
$1.18 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | Alpha & Omega Semiconductor Inc. |
| Model | AON7421 |
| Package / Case | 8-PowerWDFN |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| FET Type | P-Channel |
| Drain to Source Voltage (Vdss) | 20 V |
| Rds On (Max) | 4.6mOhm @ 20A, 10V |
| Vgs(th) (Max) | 1.2V @ 250µA |
| Gate Charge (Qg) | 114 nC @ 10 V |
| Input Capacitance (Ciss) | 4550 pF @ 10 V |
| Power Dissipation (Max) | 6.2W (Ta), 83W (Tc) |
| Drive Voltage | 2.5V, 10V |
| Supplier Device Package | 8-DFN-EP (3.3x3.3) |
| RoHS | RoHS |
| Part Status | Active |
Application & Notes
AON7421 by Alpha & Omega Semiconductor Inc. is an N-channel power MOSFET rated at 20 V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The 8-PowerWDFN package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 4.6mOhm @ 20A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
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All Technical Specifications
| FET Type | P-Channel |
| Vgs (Max) | ±12V |
| Technology | MOSFET (Metal Oxide) |
| Vgs(th) (Max) @ Id | 1.2V @ 250µA |
| Rds On (Max) @ Id, Vgs | 4.6mOhm @ 20A, 10V |
| Power Dissipation (Max) | 6.2W (Ta), 83W (Tc) |
| Gate Charge (Qg) (Max) @ Vgs | 114 nC @ 10 V |
| Drain to Source Voltage (Vdss) | 20 V |
| Input Capacitance (Ciss) (Max) @ Vds | 4550 pF @ 10 V |
| Drive Voltage (Max Rds On, Min Rds On) | 2.5V, 10V |
| Current - Continuous Drain (Id) @ 25°C | 30A (Ta), 50A (Tc) |
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