VS-121NQ045PBF

Single Diodes Overview

The VS-121NQ045PbF is a high-performance Schottky rectifier module from Vishay Semiconductors, rated for a maximum average forward current of 120 A and a maximum DC reverse voltage of 45 V. It utilizes the HALF-PAK (D-67) package with lug terminals for base mounting. The device supports junction temperatures up to 175 °C and features a low forward voltage drop of 0.6 V at 120 Apk and 125 °C. Key electrical parameters include a peak surge current capability of 16,000 A and a typical series inductance of 7.0 nH.

Single Diodes Feature Summary

• Proprietary barrier technology enables reliable operation at elevated junction temperatures up to 175 °C.
• Guard ring structure provides enhanced ruggedness and long-term reliability under industrial conditions.
• Optimized for low reverse leakage current at high temperatures to improve efficiency.
• Designed and qualified specifically for industrial level applications.

Single Diodes Applications

• High current switching power supplies
• Plating power supplies
• UPS systems and converters
• Freewheeling diodes
• Welding equipment

Single Diodes Procurement Notes

Verify the specific suffix PbF confirms lead-free compliance as per Vishay material categorization definitions. Confirm the D-67 HALF-PAK package dimensions match the mechanical drawing before integration. Ensure thermal interface materials are compatible with the specified thermal resistance values for the intended case temperature limits.

Single Diodes Selection Notes

Select this component when high current handling and low forward voltage drop are critical for system efficiency. The 175 °C operating range allows for robust performance in thermally constrained environments. Verify that the 45 V reverse voltage rating exceeds the maximum working peak reverse voltage in the target circuit design.

Single Diodes Part Context

This part belongs to the VS-121NQ.. high current Schottky rectifier module series. The series is characterized by proprietary barrier technology designed to minimize reverse leakage while maintaining high-speed operation capabilities suitable for demanding industrial power conversion tasks.

Single Diodes Replacement Considerations

Check datasheet document number 94127 for any superseding revisions or updated ordering information. Verify pinout compatibility if substituting with other D-67 packages. Ensure thermal management solutions meet the required junction-to-case thermal resistance specifications.