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Product Detailed Parameters
- Description：DIODE AVAL 800V 1.5A DO214AC
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- Technology：Avalanche
- Voltage - DC Reverse (Vr) (Max)：800 V
- Current - Average Rectified (Io)：1.5A
- Voltage - Forward (Vf) (Max) @ If：1.6 V @ 1.5 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：120 ns
- Current - Reverse Leakage @ Vr：1 µA @ 800 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：DO-214AC, SMA
- Supplier Device Package：DO-214AC (SMA)
- Operating Temperature - Junction：-55°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The BYG21K-M3/TR is a fast avalanche SMD rectifier manufactured by Vishay General Semiconductor - Diodes Division. It features a glass passivated pellet chip junction and operates in an SMA (DO-214AC) package. Key electrical parameters include a maximum repetitive peak reverse voltage of 800 V, an average forward current of 1.5 A, and a peak forward surge current of 30 A. The device exhibits a maximum reverse recovery time of 120 ns and a typical thermal resistance from junction to lead of 25 °C/W.
Feature Summary
- Fast Avalanche technology with soft recovery characteristics
- Glass passivated pellet chip junction for low reverse current
- Low profile package suitable for automated placement
- Meets MSL level 1 per J-STD-020
Applications
- Fast switching rectification of power supplies
- Inverters and converters
- Freewheeling diodes for consumer, automotive, and telecommunication equipment
Procurement Notes
Verify the specific ordering code against the manufacturer's datasheet to ensure compliance with RoHS standards and halogen-free requirements. Confirm that the component meets the necessary AEC-Q101 qualification if intended for automotive applications. Cross-reference the package type and polarity markings to prevent installation errors during assembly.
Selection Notes
Select this component for circuits requiring high-speed switching and avalanche energy handling capabilities. Ensure the operating junction temperature remains within the specified range of -55 °C to +150 °C. Evaluate the thermal resistance values based on the specific PCB layout and ambient conditions to maintain safe operating temperatures under load.
Part Context
This part belongs to the BYG21 series of fast avalanche SMD rectifiers from Vishay. The series includes variants with different voltage ratings, such as the BYG21M rated at 1000 V. These components are designed for surface mount applications, offering reliability and performance in compact electronic designs across various industries.
Replacement Considerations
Compatible substitutes include the BYG21M-M3/TR for higher voltage applications and the BYG21K-E3/TR for commercial grade equivalents. Verify pinout compatibility and electrical specifications before substitution.
