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Product Detailed Parameters
- Description：DIODE AVALANCHE 50V 1.25A SOD57
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Technology：Avalanche
- Voltage - DC Reverse (Vr) (Max)：50 V
- Current - Average Rectified (Io)：1.25A
- Voltage - Forward (Vf) (Max) @ If：1.5 V @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：100 ns
- Current - Reverse Leakage @ Vr：5 µA @ 50 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：SOD-57, Axial
- Supplier Device Package：SOD-57
- Operating Temperature - Junction：-55°C ~ 175°C
- Grade：-
- Qualification：-
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Overview
The BYT54A-TR is a fast recovery rectifier manufactured by Vishay Semiconductors. It features a single configuration with a maximum repetitive reverse voltage of 50 V and an average forward current rating of 1.25 A. The device exhibits a forward voltage drop of 1.5 V at rated current and a maximum reverse leakage current of 5 uA. Its peak forward surge current capability is 30 A, while the typical reverse recovery time is 100 ns. Operating temperatures range from -55°C to +175°C junction temperature. The component is housed in an SOD-57 package designed for through-hole mounting.
Feature Summary
- Fast recovery characteristics suitable for high-frequency switching applications
- High thermal stability with extended operating temperature range up to 175°C
- Robust surge current handling capability for transient protection
Applications
- High frequency rectification circuits
- Free wheeling diodes in power supplies
- Inverter circuits requiring fast switching
Procurement Notes
Verify the specific suffix TR indicates reel packaging when ordering. Confirm the 50 V reverse voltage rating matches circuit requirements. Ensure compatibility with SOD-57 through-hole mounting processes. Check RoHS compliance documentation for environmental standards. Validate manufacturer part number against official Vishay databases before procurement.
Selection Notes
Select this component where low reverse recovery time is critical for efficiency. The 1.25 A current rating suits moderate power applications. Consider the 50 V breakdown limit for low voltage systems. The SOD-57 package offers compact sizing compared to axial leads. Evaluate thermal management needs given the 175°C junction limit.
Part Context
This part belongs to the BYT54 series of fast recovery rectifiers from Vishay. The series includes variants with different voltage ratings such as the BYT54B for 100 V applications. These components utilize planar passivation technology for reliability. The family is designed for general purpose high speed rectification tasks.
Replacement Considerations
Cross-reference with BYT54B-TR if higher voltage tolerance is required. Verify pinout compatibility with existing PCB layouts. Ensure equivalent recovery time specifications are met by substitutes.
