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Product Detailed Parameters
- Description：N-CHANNEL SMALL SIGNAL MOSFET
- Series：*
- Mfr：onsemi
- Package：Bulk
- FET Type：-
- Technology：-
- Drain to Source Voltage (Vdss)：-
- Current - Continuous Drain (Id) @ 25°C：-
- Drive Voltage (Max Rds On, Min Rds On)：-
- Rds On (Max) @ Id, Vgs：-
- Vgs(th) (Max) @ Id：-
- Gate Charge (Qg) (Max) @ Vgs：-
- Vgs (Max)：-
- Input Capacitance (Ciss) (Max) @ Vds：-
- FET Feature：-
- Power Dissipation (Max)：-
- Operating Temperature：-
- Grade：-
- Qualification：-
- Mounting Type：-
- Supplier Device Package：-
- Package / Case：-
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Overview
The onsemi 2SK3449 is an N-channel small signal MOSFET designed for discrete semiconductor applications. It operates as a single Field-Effect Transistor (FET) within the transistor category. The component is engineered for general-purpose switching and amplification tasks in electronic circuits, providing reliable performance for low-power signal processing requirements.
Feature Summary
- N-channel conductivity type for standard switching configurations
- Small signal design optimized for low-power applications
- Single FET architecture for compact circuit integration
Applications
- General-purpose signal switching
- Low-power amplification stages
- Electronic circuit protection interfaces
Procurement Notes
Verify the manufacturer designation carefully, as this part number originates from Fairchild Semiconductor, which is now part of onsemi. Ensure the datasheet references align with the current onsemi product line to confirm technical specifications and availability status before procurement.
Selection Notes
Select this component for applications requiring N-channel small signal MOSFET functionality. Confirm that the voltage and current ratings meet the specific circuit demands. Review the thermal characteristics and package constraints to ensure compatibility with the intended PCB layout and operating environment.
Part Context
This device belongs to the discrete semiconductor product family, specifically categorized under transistors and single FETs. It represents the legacy Fairchild Semiconductor portfolio integrated into onsemi's offerings, maintaining continuity for designs originally specified with Fairchild components.
Replacement Considerations
Consult official cross-reference lists for direct equivalents. Verify pinout compatibility and electrical parameters against potential substitute parts to ensure seamless integration without circuit modification.
