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FDB9403 is listed in the FET, MOSFET Arrays range at ChipApex. The manufacturer field lists Fairchild Semiconductor. Its product description is MOSFET N-CH. Review the specifications below when checking this part for your BOM.
FET, MOSFET Arrays specifications for FDB9403
- Description：MOSFET N-CH
- Series：*
- Mfr：Fairchild Semiconductor
- Package：Bulk
- Technology：-
- Configuration：-
- FET Feature：-
- Drain to Source Voltage (Vdss)：-
- Current - Continuous Drain (Id) @ 25°C：-
- Rds On (Max) @ Id, Vgs：-
- Vgs(th) (Max) @ Id：-
- Gate Charge (Qg) (Max) @ Vgs：-
- Input Capacitance (Ciss) (Max) @ Vds：-
- Power - Max：-
- Operating Temperature：-
- Mounting Type：-
- Package / Case：-
- Supplier Device Package：-
- Grade：-
- Qualification：-
FET, MOSFET Arrays datasheet and documents for FDB9403
FET, MOSFET Arrays Overview
The FDB9403 is an N-Channel Power Trench MOSFET manufactured by Fairchild Semiconductor. It features a breakdown voltage of 40V and a maximum continuous drain current of 110A. The device achieves a low on-resistance of 1.2 milliohms at a gate-source voltage of 10V. Packaged in a high-power surface-mount format, it is designed for efficient power switching applications requiring high current handling capabilities.
FET, MOSFET Arrays Feature Summary
- Utilizes Power Trench technology to minimize conduction losses
- Engineered for high-current switching performance
- Features low thermal resistance for effective heat dissipation
FET, MOSFET Arrays Applications
- DC-DC converter modules
- Power distribution networks
- Motor control circuits
FET, MOSFET Arrays Procurement Notes
Verify the manufacturer marking and date code against official Fairchild Semiconductor documentation. Confirm the package type matches the required PCB footprint. Ensure compliance with RoHS directives if applicable to the target market. Check for any specific handling requirements due to the high-power nature of the component.
FET, MOSFET Arrays Selection Notes
Select this component when designing circuits requiring high current capacity at low voltage levels. The 40V rating suits 12V or 24V systems. Consider the 110A current capability for load management. Evaluate thermal management solutions given the power dissipation characteristics. Compare on-resistance values with alternative packages for space constraints.
FET, MOSFET Arrays Part Context
This part belongs to the Power Trench MOSFET family from Fairchild Semiconductor. These devices are optimized for low on-resistance and fast switching speeds. The FDB9403 specifically targets high-current applications within the 40V voltage range, offering a balance between performance and thermal efficiency.
FET, MOSFET Arrays Replacement Considerations
Check for direct pin-compatible alternatives with similar Rds(on) and current ratings. Verify that substitute components meet the same voltage and thermal specifications. Ensure the replacement package matches the existing board layout.
Explore related parts through FETs, MOSFETs, Transistors, Discrete Semiconductor Products, all product categories.
