Vishay VS-85HF120 Cathode Case Mount Diode Rectifier

The Vishay VS-85HF120 Cathode-to-Case Mount Diode Rectifier from Vishay General Semiconductor is a high-current, stud-mount rectifier rated for 85 A average forward current and 1,200 V repetitive peak reverse voltage, ideal for high-current rectification in power conversion systems. In a DO-203AB (DO-5) package, this single rectifier uses a cathode-to-case configuration with chassis/stud mounting to deliver strong thermal performance in industrial equipment such as power supplies, battery chargers, DC drives, welding equipment, and power distribution systems. Key specs include a maximum forward voltage of 1.2 V, a peak forward surge current of 1,700 A, reverse leakage current of 9 mA at rated voltage, and an operating junction temperature range of -65°C to +180°C, consistent with standard recovery silicon rectifier behavior.