Zero reverse recovery — what it buys the switching stage
The STPSC10065DLF is a 650 V, 10 A Silicon Carbide Schottky diode from STMicroelectronics, part of the ECOPACK®2 series. In a hard-switched PFC or flyback converter, that eliminates the turn-on loss spike that a standard ultrafast diode would cause in the MOSFET, so the switching stage runs cooler and the EMI signature is cleaner.
10 A, 650 V — the power envelope
Rated for 10 A continuous average forward current and 650 V reverse voltage, this diode fits boost, PFC, and flyback stages in supplies up to a few kilowatts. The forward voltage drop is 1.45 V max at 10 A, which sets the conduction loss floor.
PowerFlat 8x8 — rework and thermal handling
The 8x8 mm body is large enough to hand-rework with a hot-air station — the pad is visible and the part has a clear orientation mark — but the thermal pad demands a good solder joint; a void under the die will push junction temperature above the 175 °C limit under load.