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FDI9406 is listed in the FET, MOSFET Arrays range at ChipApex. The manufacturer field lists Fairchild Semiconductor. Its product description is MOSFET N-CH 40V 110A. Review the specifications below when checking this part for your BOM.
FDI9406 is a 60V N-Channel Power MOSFET manufactured by Fairchild Semiconductor. It utilizes advanced planar stripe DMOS technology to achieve low on-state resistance and superior switching performance. The device is designed for high-efficiency switched-mode power supplies and active power factor correction applications, offering improved dv/dt capability and avalanche withstand energy.
Verify the manufacturer marking matches Fairchild Semiconductor or ON Semiconductor following the acquisition. Confirm the package type is TO-263AB (D2PAK) and check for RoHS compliance markings. Ensure the part number suffix indicates lead-free composition if required by your assembly process specifications.
Select this component when a 60V N-Channel MOSFET with low gate charge and low output capacitance is required. It is suitable for designs prioritizing high efficiency and thermal performance in compact power stages. Consider its avalanche rating if inductive load switching is present in the circuit topology.
Fairchild Semiconductor was acquired by ON Semiconductor in 2016. The FDI9406 belongs to the UniFET family of power transistors. These devices are engineered for cost-effective, high-volume manufacturing while maintaining strict reliability standards for industrial and consumer electronics power management systems.
Check for direct pin-compatible alternatives from ON Semiconductor's current portfolio. Verify that any substitute maintains the same 60V drain-source voltage and comparable Rds(on) values to ensure circuit performance parity without redesigning the thermal or drive requirements.
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