BYS459F-1500SE3/45

Overview

The BYS459F-1500SE3/45 is a high voltage damper diode manufactured by Vishay General Semiconductor. It features a glass passivated chip junction and operates in an ITO-220AC package with two terminals. Key electrical parameters include a maximum repetitive peak reverse voltage of 1500 V, a maximum average forward rectified current of 10 A, and a peak forward surge current of 130 A. The device exhibits a maximum reverse recovery time of 220 ns and a typical thermal resistance from junction to case of 4.0 °C/W.

Feature Summary

• Glass passivated chip junction for enhanced reliability
• Fast reverse recovery time with low switching loss
• High forward surge capability
• Low forward voltage drop

Applications

• High voltage and high frequency rectification of switching mode inverters
• Converters freewheeling applications
• CRT horizontal deflection circuits

Procurement Notes

This component is designated as End of Life with the last available purchase date being May 31, 2011. Verify availability through authorized distributors or secondary markets. Confirm that the E3 suffix indicates consumer grade compliance with JESD 201 class 1A whisker test requirements before procurement.

Selection Notes

Select this part for high voltage applications requiring fast recovery characteristics. Ensure the ITO-220AC package fits the design constraints. Validate thermal management capabilities given the 4.0 °C/W junction-to-case thermal resistance. Consider the 1500 V rating for appropriate safety margins in inverter or converter topologies.

Part Context

The BYS459F-1500SE3/45 belongs to the BYS459 series of high voltage damper diodes from Vishay. This series includes variants like BYS459-1500S and BYS459B-1500S, differentiated primarily by package type such as TO-220AC and TO-263AB. All share similar electrical performance profiles tailored for high-frequency switching environments.

Replacement Considerations

Public confirmed substitute part numbers are not provided in the source material.