85 ns trr — fast-recovery rectifier for PFC and flyback
The STTH2L06A is a 600 V, 2 A standard fast-recovery diode from STMicroelectronics, housed in a DO-214AC (SMA) surface-mount package. Its 85 ns reverse recovery time places it in the fast-recovery class — the trr is well under the 500 ns threshold that defines the category, making it suitable for continuous-conduction-mode PFC boost stages, flyback snubber clamps, and freewheeling paths in switch-mode power supplies where recovery losses matter.
For a BOM line, this means no supply-risk flag or accelerated procurement timeline.
Forward drop and reverse leakage — thermal budget factors
Reverse leakage is 2 µA at the rated 600 V reverse voltage — a low figure that keeps standby dissipation negligible. Junction temperature is rated to 175 °C, giving headroom in compact layouts where the SMA copper pad area limits thermal resistance.