The STPS200170TV1Y is a dual Schottky diode module from STMicroelectronics, configured as two independent diodes in a single ISOTOP package rated for chassis mounting. Each diode handles 100 A average rectified current (Io) with a maximum reverse voltage of 170 V, making it suited for high-current rectification and OR-ing in automotive and industrial power systems. The 200 µA reverse leakage at 170 V is typical for a Schottky of this voltage class and rises with junction temperature, so the thermal design must account for leakage-induced self-heating at high junction temperatures. The Q Automotive series designation indicates qualification to AEC-Q101, so the part is released for production in safety-critical and high-reliability vehicle systems.
Package and mounting — ISOTOP chassis-mount reality
The ISOTOP package is a power module with screw terminals and a baseplate designed for bolting directly to a heatsink. Chassis mounting means the thermal interface is through the baseplate, not PCB copper — the heatsink flatness and thermal compound application directly determine junction-to-case thermal resistance. The package footprint is standard across the ISOTOP family, so mechanical drawings are interchangeable with other ISOTOP modules. The two independent diodes share the same baseplate but are electrically isolated from it, so the heatsink can be at chassis ground without shorting the diode terminals. This simplifies mounting in metal enclosures where the heatsink is the enclosure wall.
Lifecycle and compliance — active with automotive pedigree
The Q Automotive series is ST's AEC-Q101-qualified line, so the part is released for production in automotive power trains, battery chargers, and DC-DC converters.