SI4666DY-T1-GE3
MOSFET N-CH 25V 16.5A 8SO
Transistors Fets Mosfets Single
8-SOIC (0.154", 3.90mm Width)
TrenchFET®
Obsolete
Price available on request
MOQ: 1 pcs
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Parameters
| Parameter | Value |
|---|---|
| Brand | Vishay Siliconix |
| Model | SI4666DY-T1-GE3 |
| Package / Case | 8-SOIC (0.154", 3.90mm Width) |
| Mounting Type | Surface Mount |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| FET Type | N-Channel |
| Drain to Source Voltage (Vdss) | 25 V |
| Rds On (Max) | 10mOhm @ 10A, 10V |
| Vgs(th) (Max) | 1.5V @ 250µA |
| Gate Charge (Qg) | 34 nC @ 10 V |
| Input Capacitance (Ciss) | 1145 pF @ 10 V |
| Power Dissipation (Max) | 2.5W (Ta), 5W (Tc) |
| Drive Voltage | 2.5V, 10V |
| Supplier Device Package | 8-SOIC |
| RoHS | RoHS |
| Part Status | Obsolete |
Application & Notes
SI4666DY-T1-GE3 by Vishay Siliconix is an N-channel power MOSFET rated at 25 V / 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 10mOhm @ 10A, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for SI4666DY-T1-GE3
Alternatives & Replacements
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FDS8876
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FDS7760A
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HUF75631SK8T
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FDFS2P753Z
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All Technical Specifications
| FET Type | N-Channel |
| Vgs (Max) | ±12V |
| Technology | MOSFET (Metal Oxide) |
| Vgs(th) (Max) @ Id | 1.5V @ 250µA |
| Rds On (Max) @ Id, Vgs | 10mOhm @ 10A, 10V |
| Power Dissipation (Max) | 2.5W (Ta), 5W (Tc) |
| Gate Charge (Qg) (Max) @ Vgs | 34 nC @ 10 V |
| Drain to Source Voltage (Vdss) | 25 V |
| Input Capacitance (Ciss) (Max) @ Vds | 1145 pF @ 10 V |
| Drive Voltage (Max Rds On, Min Rds On) | 2.5V, 10V |
| Current - Continuous Drain (Id) @ 25°C | 16.5A (Tc) |
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