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Product Detailed Parameters
- Description：DIODE STD 1500V 6.5A TO263AB
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- 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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Overview
The BYS459B-1500E3/81 is a high voltage damper diode manufactured by Vishay General Semiconductor. It features a glass passivated chip junction and is housed in a TO-263AB surface-mount package with three pins. The device supports a maximum repetitive peak reverse voltage of 1500 V and a maximum average forward rectified current of 6.5 A. Key electrical characteristics include a maximum reverse recovery time of 350 ns, a typical thermal resistance from junction to ambient of 60 °C/W, and an operating junction temperature range of -55 to +150 °C.
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
Procurement Notes
This component is designated as End of Life with a final purchase date of May 31, 2011. Verify availability through authorized distributors or secondary markets. Confirm the specific ordering suffix matches the required tape and reel packaging format. Ensure compliance with RoHS Directive 2002/95/EC requirements during procurement.
Selection Notes
Select this component for designs requiring high voltage isolation up to 1500 V and fast switching speeds. The TO-263AB package facilitates efficient heat dissipation with a thermal resistance of 60 °C/W. Consider the 6.5 A continuous current rating and 130 A surge capability when sizing for load conditions. Verify that the application operates within the specified -55 to +150 °C junction temperature range.
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). The 'B' suffix indicates the TO-263AB surface-mount package configuration, while the 'E3' denotes lead-free construction compliant with environmental standards.
Replacement Considerations
Direct substitutes within the same family include BYS459-1500-E3/45 and BYS459F-1500-E3/45. These alternatives share identical electrical specifications but utilize different packages (TO-220AC and ITO-220AC respectively). Verify mechanical fit and thermal management requirements when substituting.
