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The FCU600N65S3R0 is an N-channel enhancement-mode power MOSFET from the SUPERFET III series by onsemi. It features a 650 V drain-source voltage rating and a continuous drain current of 6 A. The device has a maximum on-resistance of 600 mΩ at 25°C. It utilizes a TO-220 package with surface mount capabilities, offering a thermal resistance suitable for high-power applications. The component operates within a junction temperature range of -55°C to 175°C.
Verify the specific suffix R0L or R0 against the official datasheet to confirm pinout and packaging details. Ensure the source document explicitly lists FCU600N65S3R0 as the active part number. Check for any recent lifecycle status changes such as obsolescence or last-time buy notices directly from manufacturer announcements.
Select this component when a 650 V rating and approximately 6 A continuous current are required. The 600 mΩ on-resistance balances conduction and switching losses for moderate power levels. Consider the TO-220 package for through-hole or surface-mount integration depending on board layout constraints and thermal management needs.
This part belongs to the SUPERFET III family, which integrates advanced trench gate technology. The series is designed for efficiency improvements over previous generations. The FCU prefix typically indicates a specific package variant within the broader 650 V product line.
Direct substitutes include FCP165N65S3R0L for lower resistance but higher current, or FCD600N65S3R0 for similar electrical characteristics in a different package. Verify pin compatibility and thermal performance before substitution.