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Product Detailed Parameters
- Description：DIODE STANDARD 50V 8A TO263AB
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tube
- Technology：Standard
- Voltage - DC Reverse (Vr) (Max)：50 V
- Current - Average Rectified (Io)：8A
- Voltage - Forward (Vf) (Max) @ If：1.3 V @ 20 A
- Speed：Fast Recovery =< 500ns, > 200mA (Io)
- Reverse Recovery Time (trr)：25 ns
- Current - Reverse Leakage @ Vr：10 µA @ 50 V
- Capacitance @ Vr, F：-
- Mounting Type：Surface Mount
- Package / Case：TO-263-3, D2PAK (2 Leads + Tab), TO-263AB
- Supplier Device Package：TO-263AB (D2PAK)
- Operating Temperature - Junction：-65°C ~ 150°C
- Grade：-
- Qualification：-
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Overview
The Vishay BYWB29-50HE3_A/P is an ultrafast rectifier featuring a glass passivated pellet chip junction. It provides a maximum average forward rectified current of 8.0 A and a peak forward surge current of 100 A. The device supports a maximum repetitive peak reverse voltage of 50 V with a maximum DC blocking voltage of 50 V. Electrical characteristics include a maximum instantaneous forward voltage of 1.3 V at 20 A and 25 °C, or 0.8 V at 8.0 A and 150 °C. Reverse recovery time is specified at 25 ns under defined test conditions. Operating and storage temperature ranges span from -65 to +150 °C.
Feature Summary
- Ultrafast recovery time for high efficiency
- Glass passivated pellet chip junction
- Low switching losses
- High forward surge capability
Applications
- High frequency rectifier of switching mode power supplies
- Inverters
- Freewheeling diodes
- DC/DC converters
- Power switching applications
Procurement Notes
Verify the specific ordering code suffix against official documentation to confirm package type and qualification status. Confirm that the requested variant matches the required thermal resistance and mounting torque specifications. Ensure compliance with environmental standards such as RoHS and halogen-free requirements if applicable to the design. Validate lead solderability per J-STD-002 and JESD 22-B102 before integration.
Selection Notes
Select this component for designs requiring fast switching speeds and low forward voltage drop in high-current applications. Consider the TO-220AC or D2PAK package options based on thermal management needs and board space constraints. Evaluate the maximum repetitive peak reverse voltage rating to ensure adequate margin for circuit operating voltages. Assess thermal resistance characteristics for proper heatsinking strategies.
Part Context
This part belongs to the BYW29/BYWB29 series of ultrafast rectifiers manufactured by Vishay General Semiconductor. The series offers various voltage ratings ranging from 50 V to 200 V. These devices are designed for robust performance in demanding power electronics environments, utilizing advanced glass passivation techniques for reliability.
Replacement Considerations
Direct substitutes within the same series include BYW29-50-E3/45 for through-hole mounting. For surface mount equivalents, consider BYWB29-50-M3/I. Verify pinout compatibility and thermal characteristics when transitioning between package types.
FAQ
What is the maximum repetitive peak reverse voltage for the BYWB29-50HE3_A/P?
The maximum repetitive peak reverse voltage (VRRM) is 50 V.
Does the BYWB29-50HE3_A/P meet automotive qualification standards?
No, the standard commercial grade does not meet AEC-Q101. Automotive qualified versions are available with the HM3 suffix.
What is the typical junction capacitance at 4.0 V and 1 MHz?
The typical junction capacitance is 45 pF under these conditions.
