UH20FCT-E3/4W

Diode Arrays Overview

The Vishay UH20FCT-E3/4W is a dual common-cathode ultrafast recovery rectifier housed in a TO-220AB package. It features an oxide planar chip junction designed for high efficiency and low switching losses. The device supports a maximum repetitive peak reverse voltage of 300 V and provides a total maximum average forward rectified current of 20 A, with 10 A per diode. Key electrical characteristics include a typical reverse recovery time of 25 ns and a maximum instantaneous forward voltage of 1.2 V at 10 A. The component operates within a junction temperature range of -55 °C to +175 °C.

Diode Arrays Feature Summary

• Ultrafast recovery times with soft recovery characteristics
• Oxide planar chip junction technology
• High forward surge capability
• Low switching losses for high efficiency

Diode Arrays Applications

• High frequency power factor correctors
• Switching mode power supplies
• Freewheeling diodes
• Secondary DC-to-DC rectification

Diode Arrays Procurement Notes

Verify the specific ordering suffix against the manufacturer's documentation to confirm the package type and delivery mode. The E3 suffix indicates consumer grade compliance with lead-free requirements and whisker testing standards. Confirm that the TO-220AB package variant matches the intended thermal management and mounting torque specifications for the application design.

Diode Arrays Selection Notes

Select this component for applications requiring fast switching speeds and high reliability in power conversion circuits. Ensure the thermal resistance and case temperature derating curves are considered for the expected operating load. Validate that the 300 V reverse voltage rating exceeds the circuit's peak inverse voltage requirements under all operating conditions.

Diode Arrays Part Context

This part belongs to the UH20FCT series of dual common-cathode ultrafast recovery rectifiers manufactured by Vishay General Semiconductor. The series utilizes advanced planar junction technology to achieve superior performance metrics compared to standard recovery devices. The product line is designed to meet stringent environmental directives including RoHS and WEEE compliance.

Diode Arrays Replacement Considerations

The UHB20FCT-E3/4W serves as a direct functional replacement utilizing the same electrical specifications but packaged in a TO-263AB format instead of TO-220AB. Verify mechanical footprint compatibility before substitution.