VS-70MT140KPBF

Bridge Rectifier Overview

The VS-70MT140KPBF is a three-phase bridge rectifier manufactured by Vishay General Semiconductor - Diodes Division. It features an MT-K module package designed for base mounting applications. The device supports a maximum repetitive peak reverse voltage of 1.4 kV and provides an average rectified current rating of 70 A. It operates within a junction temperature range of -40°C to 150°C. The component utilizes standard diode technology and is classified as a three-phase bridge rectifier suitable for industrial power conversion systems.

Bridge Rectifier Feature Summary

• Three-phase bridge rectification configuration
• High-voltage capability up to 1.4 kV
• Base-mountable MT-K module packaging
• Extended operating temperature range

Bridge Rectifier Applications

• Industrial motor drives
• Welding equipment power supplies
• Uninterruptible power supply (UPS) systems

Bridge Rectifier Procurement Notes

Verify the specific suffix KPBF indicates lead-free compliance when sourcing. Confirm the MT-K package dimensions match the target heatsink interface. Ensure the 1.4 kV reverse voltage rating exceeds the peak line-to-line voltage in the intended circuit design. Check for RoHS3 certification status if required by regional regulations.

Bridge Rectifier Selection Notes

Select this component when a robust three-phase rectification solution is required for high-current applications. The MT-K package facilitates efficient thermal management through direct base mounting. Compare the 70 A current rating against the system's continuous load requirements. Consider the 1.4 kV voltage margin relative to the input AC line specifications.

Bridge Rectifier Part Context

This part belongs to Vishay's MT-K series of three-phase bridge rectifiers. These modules are engineered for high-power density applications requiring reliable performance under demanding thermal conditions. The series offers various current ratings and voltage options to suit different industrial power electronics designs.

Bridge Rectifier Replacement Considerations

Direct replacements include other Vishay MT-K series parts with matching electrical ratings, such as the VS-90MT140KPBF or VS-130MT140KPBF, provided the current rating meets or exceeds the original requirement. Verify pinout compatibility and mechanical footprint before substitution.