35 ns reverse recovery — what it buys the switching stage
The STTH5R06BY-TR is an STMicroelectronics automotive-grade ultrafast rectifier rated 600 V reverse and 5 A average forward current, packaged in a DPAK (TO-252) for surface-mount assembly. Its 35 ns reverse recovery time (trr) places it in the fast-recovery class for hard-switching topologies where stored charge must clear quickly to limit turn-off losses.
AEC-Q101 qualification and the automotive BOM
AEC-Q101 qualified and carrying an active product status, this diode is specced for production automotive electronics — under-hood DC-DC converters, on-board charger PFC stages, and high-voltage bus snubbers.
Forward drop and leakage at the operating point
Forward voltage is 3.2 V max at 5 A — this is the conduction loss floor at full rated current. Reverse leakage is 30 µA at 600 V, a figure that climbs with junction temperature but stays manageable for a 5 A boost diode running at moderate duty cycles.