FES8DTHE3/45

Single Diodes Overview

The FES8DTHE3/45 is a fast recovery rectifier manufactured by Vishay Semiconductors, designed for through-hole mounting in TO-220-2 packages. It features a single configuration with a maximum repetitive reverse voltage of 200 V and an average forward current rating of 8 A. The device exhibits a forward voltage drop of 1.5 V at rated current and a maximum reverse leakage current of 10 uA. Key electrical characteristics include a peak non-repetitive surge current capability of 125 A and a typical reverse recovery time of 50 ns. The component operates within a junction temperature range from -55 °C to +150 °C.

Single Diodes Feature Summary

• Glass passivated chip junction for enhanced reliability
• Fast recovery characteristics suitable for high-frequency applications
• High forward surge current capability

Single Diodes Applications

• High frequency power factor corrector circuits
• Freewheeling diode implementations
• Secondary DC-to-DC rectification stages

Single Diodes Procurement Notes

Verify the specific suffix designation carefully, as the HE3 variant indicates high reliability grade qualification distinct from standard consumer grades. Confirm RoHS compliance status and lead-free terminal plating specifications against current datasheet revisions. Check for end-of-life notifications or obsolescence warnings prior to finalizing procurement plans, as availability may be restricted.

Single Diodes Selection Notes

Select this component when a 200 V blocking voltage and 8 A continuous current handling are required in a through-hole package. Ensure the 50 ns recovery time aligns with the switching frequency requirements of the target application. Verify that the thermal management design accommodates the specified operating temperature range and power dissipation levels under worst-case conditions.

Single Diodes Part Context

This part belongs to the FES8 series of fast recovery rectifiers from Vishay, which offers various voltage ratings including 50 V, 100 V, 150 V, 300 V, 400 V, and 600 V options. The HE3 suffix denotes a high-reliability version that meets specific automotive qualification standards, distinguishing it from the standard E3 consumer-grade counterparts within the same product family.

Single Diodes Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation.