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8EWS08S
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Product Detailed Parameters
- Description：DIODE STANDARD 800V 8A TO252AA
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tube
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：800 V
- Current - Average Rectified (Io)：8A
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 8 A
- Speed：Standard Recovery >500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：-
- Current - Reverse Leakage @ Vr：50 µA @ 800 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：TO-252-3, DPAK (2 Leads + Tab), SC-63
- Supplier Device Package：TO-252AA (DPAK)
- Operating Temperature - Junction：-55°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The Vishay General Semiconductor - Diodes Division 8EWS08S is a surface mountable input rectifier diode from the SAFEIR series, housed in a TO-252AA (D-Pak) package. It features an 800V maximum repetitive peak reverse voltage and supports an average forward current of 8A at a case temperature of 95°C. The device exhibits a low forward voltage drop of less than 1V at 5A and offers high surge capability with a non-repetitive peak surge current of 200A. Designed for reliable operation up to a junction temperature of 150°C, it utilizes glass passivation technology.
Feature Summary
- Optimized for very low forward voltage drop with moderate leakage characteristics
- Glass passivation technology ensures reliable operation up to 150°C junction temperature
- High reverse voltage range provides outstanding voltage surge capability
Applications
- Input stage primary rectification
- Single-phase bridge circuits
- Three-phase bridge circuits
Procurement Notes
Verify the specific part number against official datasheets to confirm electrical ratings and package dimensions. Ensure compatibility with International Rectifier switches and output rectifiers sharing identical package outlines. Confirm thermal management requirements align with the specified junction-to-case resistance values for your application design.
Selection Notes
Select this component when designing input rectification stages requiring high voltage surge capability and low forward voltage drop. Consider the TO-252AA package for surface mount applications where space efficiency is critical. Evaluate thermal performance based on the specified junction-to-ambient resistance values under typical PCB mounting conditions.
Part Context
The 8EWS08S belongs to the SAFEIR series of rectifiers, which are optimized for low forward voltage drop and moderate leakage. This series is designed to complement International Rectifier switches and output rectifiers that utilize identical package outlines, facilitating consistent design practices across power conversion stages.
Replacement Considerations
Consult the manufacturer for alternative part numbers within the SAFEIR series or other Vishay General Semiconductor - Diodes Division rectifiers that match the required voltage and current specifications.
FAQ
What is the maximum non-repetitive peak surge current for the 8EWS08S?
The maximum non-repetitive peak surge current is 200A for a 10ms sine pulse with no voltage reapplied.
What is the maximum operating junction temperature for this diode?
The maximum junction temperature range is -55°C to 150°C.
