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FDY4000CZ is listed in the FET, MOSFET Arrays range at ChipApex. The manufacturer field lists onsemi. Its product description is MOSFET N/P-CH 20V 0.6A SOT563F. Review the specifications below when checking this part for your BOM.
The FDY4000CZ is a discontinued complementary N and P-Channel PowerTrench MOSFET manufactured by onsemi. It integrates an N-channel device (Q1) with a maximum drain current of 600 mA and a P-channel device (Q2) rated for -350 mA continuous drain current. Both transistors feature a Drain-to-Source voltage rating of ±20 V. The component utilizes SC89-6 packaging, which corresponds to the SOT-363 form factor. Electrical characteristics specify a maximum rDS(on) of 0.7 Ω for the N-channel at VGS = 4.5V and 1.2 Ω for the P-channel at VGS = -4.5V. The unit supports an operating junction temperature range from -55°C to +150°C.
This component is officially classified as Discontinued and is not recommended for new designs. Buyers must contact an onsemi representative directly for further information regarding availability or lifecycle status. Standard distribution channels do not support this part number for new procurement orders.
Designers should verify that the ±20 V Drain-to-Source voltage rating meets system requirements. The integrated ESD protection diode serves only for protection against electrostatic discharge events and does not imply a specific gate overvoltage rating. All operating parameters must be validated by customer technical experts for specific application conditions.
Originally developed by Fairchild Semiconductor, this part was integrated into the onsemi portfolio following corporate acquisition. The datasheet reflects the transition period where Fairchild nomenclature was maintained before full migration to onsemi product management systems.
No public confirmed substitute part numbers are documented in the official datasheet. Users are advised to consult onsemi representatives for alternative components suitable for replacement.
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