UGF8HCTHE3/45

Diode Arrays Overview

The UGF8HCTHE3/45 is a fast recovery rectifier diode array manufactured by Vishay General Semiconductor - Diodes Division. It features a dual common cathode configuration housed in a TO-220-3 through-hole package. The device supports a maximum DC reverse voltage of 500 V and an average rectified forward current of 4 A per diode. Key electrical parameters include a maximum forward voltage of 1.75 V at 4 A, a reverse leakage current of 30 µA at 500 V, and a reverse recovery time of 50 ns. It operates within a junction temperature range of -55°C to 150°C and holds AEC-Q101 automotive qualification.

Diode Arrays Feature Summary

• Dual common cathode configuration for efficient circuit design
• Fast recovery characteristics with low switching loss
• Automotive grade reliability via AEC-Q101 qualification
• High thermal stability with extended operating temperature range

Diode Arrays Applications

• Automotive power supply circuits
• DC-DC converter output rectification
• High-frequency switching applications

Diode Arrays Procurement Notes

Verify the exact part number suffix against official Vishay documentation to ensure correct packaging and lead-free compliance. Confirm availability status as distribution channels may list obsolete or discontinued stock. Cross-reference datasheet revisions to validate electrical specifications match your design requirements before procurement.

Diode Arrays Selection Notes

Select this component when a dual common cathode arrangement is required for synchronous rectification or free-wheeling applications. Ensure the 500 V reverse voltage rating exceeds the peak inverse voltage in the circuit. Verify that the 4 A current handling capacity meets the load demands and that the TO-220-3 package fits the thermal and spatial constraints of the PCB layout.

Diode Arrays Part Context

This part belongs to the UG8HCT series of fast recovery diode arrays from Vishay. The series is designed for high-efficiency switching applications requiring rapid reverse recovery. The specific model integrates two diodes in a single package to save board space and simplify assembly compared to discrete solutions.

Diode Arrays Replacement Considerations

Similar available substitutes include the VS-8ETH06HN3. Verify pinout compatibility and electrical ratings such as reverse voltage and forward current before substitution.