What this ISOTOP dual diode is for
The STMicroelectronics STTH10002TV2 is a dual fast-recovery diode in the ISOTOP package, configured as two independent 50 A diodes with a 200 V reverse voltage rating. Its 65 ns reverse recovery time (trr) places it in the fast-recovery class for switching power supplies, PFC stages, and motor-drive snubber circuits where reverse-recovery losses matter. Each diode delivers 50 A average rectified current at a forward voltage of 1 V, keeping conduction losses predictable in a bolted-down chassis-mount package that screws directly to a heatsink.
65 ns trr — the switching-speed decision
The 65 ns reverse recovery time is the headline switching parameter. In a 50 A fast-recovery diode, that trr means the diode clears stored charge fast enough for hard-switched converters running at tens of kilohertz without excessive turn-off loss. Compare this to a standard-recovery rectifier that might take several microseconds — the STTH10002TV2 cuts the recovery tail and keeps the switching transistor cooler. The 50 µA maximum reverse leakage at 200 V is typical for this class and won't drive standby loss in most designs.
Two 50 A diodes in one bolt-down package
Two independent 50 A diodes share the ISOTOP baseplate, which means a center-tapped rectifier or dual-output boost stage fits in one module. The chassis-mount ISOTOP package (also called ISOTOP® in the supplier device code) bolts to a heatsink or cold plate, so the thermal path is a screw and thermal compound — no PCB copper to rely on.
If you need a second-source hedge, ST's own STTH10002 family shares the same base number and ISOTOP footprint — the TV2 suffix is the standard version.