STFW1N105K3
MOSFET N-CH 1050V 1.4A ISOWATT
Transistors Fets Mosfets Single
TO-3P-3 Full Pack
SuperMESH3™
Not For New Designs
$3.82 / unit (market reference)
MOQ: 1 pcs
Submit your quantity via the inquiry form for a competitive quote within 24 hours.
Parameters
| Parameter | Value |
|---|---|
| Brand | STMicroelectronics |
| Model | STFW1N105K3 |
| Package / Case | TO-3P-3 Full Pack |
| Mounting Type | Through Hole |
| Operating Temperature | -55°C ~ 150°C (TJ) |
| FET Type | N-Channel |
| Drain to Source Voltage (Vdss) | 1050 V |
| Rds On (Max) | 11Ohm @ 600mA, 10V |
| Vgs(th) (Max) | 4.5V @ 50µA |
| Gate Charge (Qg) | 13 nC @ 10 V |
| Input Capacitance (Ciss) | 180 pF @ 100 V |
| Power Dissipation (Max) | 20W (Tc) |
| Drive Voltage | 10V |
| Supplier Device Package | TO-3PF |
| RoHS | RoHS |
| Part Status | Not For New Designs |
Application & Notes
STFW1N105K3 by STMicroelectronics is an N-channel power MOSFET rated at 1050 V / N/A, commonly used in DC-DC converters, motor drivers, power supplies, and battery protection circuits. The TO-3P-3 Full Pack package offers good thermal performance for SMT mounting. Key spec: Rds(on) max 11Ohm @ 600mA, 10V. Select gate driver voltage carefully — logic-level variants exist for direct MCU drive.
📖 Technical Guides for STFW1N105K3
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All Technical Specifications
| FET Type | N-Channel |
| Vgs (Max) | ±30V |
| Technology | MOSFET (Metal Oxide) |
| Vgs(th) (Max) @ Id | 4.5V @ 50µA |
| Rds On (Max) @ Id, Vgs | 11Ohm @ 600mA, 10V |
| Power Dissipation (Max) | 20W (Tc) |
| Gate Charge (Qg) (Max) @ Vgs | 13 nC @ 10 V |
| Drain to Source Voltage (Vdss) | 1050 V |
| Input Capacitance (Ciss) (Max) @ Vds | 180 pF @ 100 V |
| Drive Voltage (Max Rds On, Min Rds On) | 10V |
| Current - Continuous Drain (Id) @ 25°C | 1.4A (Tc) |
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