VS-UFB130FA40

Diode Arrays Overview

The VS-UFB130FA40 is an insulated ultrafast rectifier module from Vishay Semiconductors, integrating two independent diodes in a SOT-227 package. It features a 400 V cathode-to-anode voltage rating and a continuous forward current of 65 A per diode at a case temperature of 123 °C. The device exhibits a typical reverse recovery time of 40 ns at 25 °C and a maximum junction operating temperature of 175 °C. Electrical specifications include a forward voltage drop of 1.16 V at 60 A and a peak non-repetitive forward surge current of 800 A.

Diode Arrays Feature Summary

• Fully insulated package with 2500 V RMS isolation voltage between terminals and the case
• Ultrafast soft reverse recovery characteristics optimized for high-frequency operation
• High thermal performance allowing operation up to a maximum junction temperature of 175 °C
• UL approved file E78996 for industrial level qualification

Diode Arrays Applications

• Output rectification stage of welding machines
• Switching mode power supplies (SMPS)
• DC/DC converters

Diode Arrays Procurement Notes

Verify the specific ordering suffix against official documentation to confirm circuit configuration and packaging details. Ensure that thermal management requirements align with the specified junction-to-case thermal resistance values. Confirm compliance with relevant industrial standards and UL approval status before finalizing procurement decisions.

Diode Arrays Selection Notes

Select this component for applications requiring high-frequency switching with minimal stored charge and low recovery current to reduce EMI/RFI. Consider the parallel pin-out configuration and industry-standard SOT-227 outline for direct replacement or new designs. Evaluate thermal constraints based on the allowable case temperature versus average forward current curves provided in the datasheet.

Diode Arrays Part Context

This module belongs to Vishay's FRED Pt® family of ultrafast rectifiers, designed for ruggedness and reliability in power conversion systems. The SOT-227 Generation 2 package provides a compact, fully isolated solution suitable for panel mounting. The device integrates advanced life-time control to ensure ultrasoft recovery current shapes.

Diode Arrays Replacement Considerations

The datasheet references industry-standard outlines but does not list specific competitor part numbers as direct replacements. Verify mechanical dimensions and electrical parameters against existing designs when considering substitutes.

Diode Arrays FAQ

What is the maximum RMS isolation voltage for the VS-UFB130FA40?

The maximum RMS isolation voltage is 2500 V between any terminal and the case, tested for 1 minute.

How many diodes are integrated into the VS-UFB130FA40 module?

The module integrates two fully independent diodes with a parallel pin-out configuration.

What is the typical reverse recovery time at a junction temperature of 25 °C?

The typical reverse recovery time is 40 ns under test conditions of IF = 1.0 A, dIF/dt = 200 A/μs, and VR = 30 V.