Alpha & Omega Semiconductor Inc.8-SOIC (0.154", 3.90mm Width)RoHS
AO4946
MOSFET 2N-CH 30V 8.6A 8-SOIC
Category
Subcategory
Transistors Fets Mosfets Arrays
Package
8-SOIC (0.154", 3.90mm Width)
Series
SRFET™
Status
Obsolete
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Alpha & Omega Semiconductor Inc. |
| Model | AO4946 |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| FET Type | 2 N-Channel (Dual) |
| Drain to Source Voltage (Vdss) | 30V |
| Rds On (Max) | 16mOhm @ 8.6A, 10V |
| Vgs(th) (Max) | 2.4V @ 250µA |
| Gate Charge (Qg) | 31nC @ 10V |
| Input Capacitance (Ciss) | 1885pF @ 15V |
| Power Dissipation (Max) | 2W |
| Supplier Device Package | 8-SOIC |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
AO4946 by Alpha & Omega Semiconductor Inc. is an N-channel power MOSFET rated at 30V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The 8-SOIC (0.154", 3.90mm Width) package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 16mOhm @ 8.6A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
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All Technical Specifications
| FET Type | 2 N-Channel (Dual) |
| FET Feature | Logic Level Gate |
| Power - Max | 2W |
| Vgs(th) (Max) @ Id | 2.4V @ 250µA |
| Rds On (Max) @ Id, Vgs | 16mOhm @ 8.6A, 10V |
| Gate Charge (Qg) (Max) @ Vgs | 31nC @ 10V |
| Drain to Source Voltage (Vdss) | 30V |
| Input Capacitance (Ciss) (Max) @ Vds | 1885pF @ 15V |
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