High-reliability hermetically sealed silicon power rectifier diode conforming to EIA JEDEC industrial semiconductor specifications, features an integrated heavy-duty stud-mount anode or cathode chassis base configuration, 400 volts maximum peak reverse voltage (PRV/PIV) rating, 25 amperes continuous average forward rectified current threshold at elevated temperatures, low forward voltage drop characteristic, engineered with an internal diffused-junction silicon cell structure to deliver rugged overvoltage protection and minimal reverse leakage across military and commercial power conversion decks. Unit Sourcing Compatibility: This component came out of linear power supply rectification stages, heavy machine control panels, and legacy aerospace power generation units managed under CAGE Code 81483. Exact Industry Equals: International Rectifier 25H40 and Infineon 25H40