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Product Detailed Parameters
- Description：DIODE AVALANCHE 500V 2A SOD57
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Technology：Avalanche
- Voltage - DC Reverse (Vr) (Max)：500 V
- Current - Average Rectified (Io)：2A
- Voltage - Forward (Vf) (Max) @ If：1.1 V @ 1 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：200 ns
- Current - Reverse Leakage @ Vr：5 µA @ 500 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 BYW35-TR is a fast rectifier diode manufactured by Vishay General Semiconductor - Diodes Division. It features a 500 V maximum repetitive peak reverse voltage and a 2 A average forward rectified current rating. The device utilizes an avalanche sinterglass construction with controlled avalanche characteristics, ensuring robust performance under surge conditions. It is housed in a surface-mount SOD-57 package, designed for high reliability and low reverse leakage current in compact electronic circuits.
Feature Summary
- Controlled avalanche characteristics for enhanced ruggedness
- Glass passivated junction for environmental stability
- Hermetically sealed package design
- Low reverse current operation
Applications
- General purpose rectification in power supplies
- Protection circuits requiring avalanche capability
- High-reliability consumer electronics
- Industrial control systems
Procurement Notes
Verify the specific suffix '-TR' confirms tape-and-reel packaging when sourcing. Confirm the component meets RoHS directives if required by your assembly process. Cross-reference the datasheet revision date to ensure compatibility with your design specifications. Ensure storage conditions align with moisture sensitivity level requirements prior to soldering.
Selection Notes
Select this component when a 500 V blocking voltage and 2 A continuous current are required in a small surface-mount footprint. The controlled avalanche feature makes it suitable for applications where inductive load switching may generate transient overvoltages. Compare thermal resistance values against your PCB copper area capabilities to ensure adequate heat dissipation during operation.
Part Context
This part belongs to Vishay's fast rectifier family, specifically utilizing sinterglass technology for hermetic sealing. The BYW35 series is distinct from standard glass-passivated diodes due to its avalanche rating. It serves as a discrete solution for medium-power rectification tasks where size constraints preclude through-hole packages.
Replacement Considerations
Check for direct pin-compatible substitutes within the same Vishay BYW series or equivalent manufacturers offering identical 500 V/2 A ratings in SOD-57 packages. Verify that any replacement also specifies controlled avalanche characteristics if transient protection is critical to your application.
