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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：Automotive
- Qualification：AEC-Q101
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Overview
The Vishay BYG21KHE3_A/I is a fast avalanche SMD rectifier in the SMA (DO-214AC) package. It features an average forward current of 1.5 A and maximum repetitive peak reverse voltages of 800 V for the K variant or 1000 V for the M variant. The device exhibits a fast reverse recovery time of 120 ns with soft recovery characteristics, making it suitable for high-efficiency switching applications. It operates within a junction temperature range of -55 °C to +150 °C.
Feature Summary
- Glass passivated pellet chip junction
- Soft recovery characteristic
- Fast reverse recovery time
- AEC-Q101 qualified
Applications
- Fast switching rectification of power supplies
- Inverters and converters
- Freewheeling diodes for consumer electronics
- Automotive systems
- Telecommunication equipment
Procurement Notes
Verify the specific voltage rating suffix (K for 800 V or M for 1000 V) when ordering. Confirm that the HE3 suffix indicates RoHS compliance and AEC-Q101 qualification. Ensure the _I suffix matches the required reel quantity for automated placement processes.
Selection Notes
Select this component for circuits requiring controlled avalanche characteristics and low reverse current. The SMA package is ideal for automated surface-mount assembly. Consider thermal resistance values based on the specific PCB copper area and mounting conditions to ensure reliable operation under load.
Part Context
This part belongs to the BYG21 series of fast avalanche rectifiers from Vishay General Semiconductor. The series includes variants with different reverse voltage ratings and packaging options. These devices are designed for general-purpose rectification in demanding environments where fast switching and reliability are critical.
Replacement Considerations
Check datasheets for equivalent SMA packages with similar 1.5 A current ratings and comparable reverse recovery times. Verify that any substitute meets the same AEC-Q101 automotive qualification standards if required by the application.
FAQ
What does the 'HE3' suffix indicate?
The HE3 suffix denotes that the device is RoHS compliant and AEC-Q101 qualified.
Is the BYG21KHE3_A/I suitable for high-frequency switching?
Yes, it features a fast reverse recovery time of 120 ns and soft recovery characteristics, making it suitable for high-frequency applications.
