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Product Detailed Parameters
- Description：DIODE AVAL 1600V 250MA SOD57
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Technology：Avalanche
- Voltage - DC Reverse (Vr) (Max)：1600 V
- Current - Average Rectified (Io)：250mA
- Voltage - Forward (Vf) (Max) @ If：2.4 V @ 200 mA
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：300 ns
- Current - Reverse Leakage @ Vr：2 µA @ 1000 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：SOD-57, Axial
- Supplier Device Package：SOD-57
- Operating Temperature - Junction：-55°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The BY203-16STR is a fast avalanche sinterglass diode from Vishay, part of the BY203 series. It features a glass passivated junction and hermetically sealed SOD-57 package with plated axial leads. Key electrical ratings include a repetitive peak reverse voltage (VRRM) of 1600 V, an average forward current (IF(AV)) of 0.25 A, and a peak forward surge current (IFSM) of 20 A. The device exhibits a maximum reverse recovery time of 300 ns and a typical forward voltage of 2.4 V at 0.2 A.
Feature Summary
- Hermetically sealed glass passivated junction for high reliability
- Fast avalanche capability for robust switching performance
- SOD-57 axial leaded package suitable for automated assembly
Applications
- TV-line output circuits
- Switch mode power supplies
- Fast rectification applications
- High voltage switching circuits
Procurement Notes
Verify the specific ordering code BY203-16STR against the manufacturer's official documentation to confirm availability and tape/reel specifications. Ensure that the component meets all required environmental and compliance standards for the intended application before finalizing procurement decisions.
Selection Notes
Select this component when a high-voltage, fast-recovery diode with avalanche rating is required in an axial package. Consider the 1600 V reverse voltage and 0.25 A current limits relative to circuit demands. Evaluate thermal resistance characteristics and junction temperature ranges to ensure reliable operation under expected load conditions.
Part Context
This component belongs to the BY203 series of fast avalanche sinterglass diodes manufactured by Vishay Semiconductors. The series includes variants with different reverse voltage ratings, such as 1200 V and 2000 V, sharing similar physical packaging and general electrical characteristics tailored for high-frequency switching applications.
Replacement Considerations
Direct substitutes within the same Vishay family include BY203-12S and BY203-20S, which share identical packaging but differ in reverse voltage ratings. Cross-manufacturer replacements must match the 1600 V rating, 0.25 A current capacity, and SOD-57 form factor while ensuring comparable reverse recovery times.
FAQ
What is the maximum non-repetitive reverse avalanche energy?
The maximum non-repetitive reverse avalanche energy is 10 mJ.
Does the device support high-temperature operation?
Yes, the junction temperature range extends up to +150 °C, and the storage temperature range reaches +175 °C.
