BYS459B-1500E3/45

Description：DIODE STD 1500V 6.5A TO263AB
Series：-
Mfr：Vishay General Semiconductor - Diodes Division
Package：Tube

SKU:2d43c0b91124 Category: Single Diodes Brand: Vishay General Semiconductor - Diodes Division

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Product introduction

Product Detailed Parameters

Description：DIODE STD 1500V 6.5A TO263AB
Series：-
Mfr：Vishay General Semiconductor - Diodes Division
Package：Tube
Technology：Standard
Voltage - DC Reverse (Vr) (Max)：1500 V
Current - Average Rectified (Io)：6.5A
Voltage - Forward (Vf) (Max) @ If：1.3 V @ 6.5 A
Speed：Fast Recovery =< 500ns, > 200mA (Io)
Reverse Recovery Time (trr)：350 ns
Current - Reverse Leakage @ Vr：250 µA @ 1500 V
Capacitance @ Vr, F：-
Mounting Type：Surface Mount
Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
Supplier Device Package：TO-263AB (D2PAK)
Operating Temperature - Junction：-55°C ~ 150°C
Grade：-
Qualification：-

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BYS459B-1500E3/45

Overview

The BYS459B-1500E3/45 is a high voltage damper diode manufactured by Vishay General Semiconductor - Diodes Division. It features a TO-263AB (D²Pak) surface-mount package with glass passivated chip junctions. Key electrical parameters include a maximum repetitive peak reverse voltage of 1500 V, a maximum average forward rectified current of 6.5 A, and a peak forward surge current of 130 A. The device exhibits a maximum reverse recovery time of 350 ns and a typical thermal resistance from junction to ambient of 60 °C/W.

Feature Summary

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

Applications

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

Procurement Notes

This component is designated as End of Life with a last available purchase date of May 31, 2011. Verification of remaining stock or alternative sourcing channels is required before procurement planning. Confirm the specific suffix E3/45 matches the tube packaging requirement, as other suffixes may indicate different delivery modes like tape and reel.

Selection Notes

Select this component for designs requiring high voltage isolation up to 1500 V and moderate current handling at 6.5 A. Ensure the PCB layout accommodates the TO-263AB footprint and provides adequate thermal management, given the 60 °C/W junction-to-ambient thermal resistance. Verify that the 350 ns reverse recovery time aligns with the switching frequency requirements of the target application.

Part Context

The BYS459B-1500 belongs to the BYS459 series of high voltage damper diodes from Vishay. This series includes variants such as the BYS459-1500 (TO-220AC) and BYS459F-1500 (ITO-220AC), offering different package options while maintaining similar electrical characteristics. The E3 suffix indicates compliance with RoHS directives and JESD 201 class 1A whisker testing standards.