STPS40170C is a high voltage power Schottky diode manufactured by STMicroelectronics. Its main features are: high junction temperature capability, low leakage current, good trade off between leakage current and forward voltage drop, low thermal resistance, high frequency operation, avalanche specification. This diode is packaged in TO-220AB, D2PAK and TO-247, and is intended for use to enhance the reliability of the application.