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Product Detailed Parameters
- Description：DIODE STANDARD 400V 8A TO220AC
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tube
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：400 V
- Current - Average Rectified (Io)：8A
- Voltage - Forward (Vf) (Max) @ If：1.25 V @ 8 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：50 ns
- Current - Reverse Leakage @ Vr：10 µA @ 400 V
- Capacitance @ Vr, F：-
- Mounting Type：Through Hole
- Package / Case：TO-220-2
- Supplier Device Package：TO-220AC
- Operating Temperature - Junction：-40°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The BYV29-400-E3/45 is a single glass-passivated fast recovery rectifier manufactured by Vishay Semiconductors. It features an 8 A average forward current rating and a 400 V repetitive peak reverse voltage. The device utilizes a TO-220AC through-hole package with solder pin termination. Key electrical parameters include a maximum forward voltage of 1.3 V, a reverse leakage current of 10 µA, and a typical reverse recovery time of 35 ns. It supports a non-repetitive peak forward surge current of 200 A and operates within a junction temperature range of -55 °C to +175 °C.
Feature Summary
- Glass passivation provides mechanical strength and protects against external physical stress.
- Fast recovery characteristics enable efficient operation in high-frequency switching applications.
- High thermal performance allows for reliable operation at elevated junction temperatures up to 175 °C.
Applications
- High-frequency inverters
- Free-wheeling diodes in power supplies
- Polarity protection circuits
Procurement Notes
Verify the specific suffix E3/45 to confirm RoHS compliance and tube packaging format. Ensure the TO-220AC footprint matches the target PCB design. Cross-reference the datasheet revision date to confirm parameter stability. Confirm that the 35 ns reverse recovery time meets the specific circuit requirements for electromagnetic interference management.
Selection Notes
Select this component when an 8 A current rating and 400 V blocking capability are required in a standard through-hole package. The 35 ns recovery time distinguishes it from standard rectifiers, making it suitable for faster switching frequencies. Consider the thermal resistance of the TO-220AC case for heat dissipation needs in the final assembly.
Part Context
This part belongs to the BYV29 series of fast recovery rectifiers from Vishay. The series offers various voltage ratings while maintaining consistent current handling capabilities. The E3 designation indicates lead-free construction compliant with EU directives. The GBU and FES series mentioned in general data represent different form factors or current ratings within the broader Vishay portfolio.
Replacement Considerations
Direct substitutes must match the 8 A current, 400 V voltage, and TO-220AC package. Verify that alternative fast recovery diodes maintain similar reverse recovery times to ensure circuit timing integrity. Check for equivalent thermal characteristics to prevent overheating in existing heatsink configurations.
FAQ
What is the typical reverse recovery time for the BYV29-400-E3/45?
The typical reverse recovery time (trr) is 35 ns.
Does this component support high-temperature operation?
Yes, the maximum operating junction temperature is specified as +175 °C.
What is the maximum non-repetitive peak forward surge current?
The device can withstand a peak non-repetitive forward surge current of 200 A.
