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Product Detailed Parameters
- Description：DIODE STANDARD 50V 8A TO263AB
- Series：-
- Mfr：Vishay General Semiconductor - Diodes Division
- Package：Tape & Reel (TR)
- 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 BYWB29-50HE3_A/I is an ultrafast rectifier manufactured by Vishay General Semiconductor - Diodes Division. It features a glass passivated pellet chip junction and operates in the TO-220AC or D2PAK (TO-263AB) package. The device supports a maximum average forward rectified current of 8.0 A at a case temperature of 105 °C, with a peak forward surge current capability of 100 A. It offers a maximum repetitive peak reverse voltage of 50 V and 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, and a typical reverse recovery time of 25 ns under specified test conditions.
Feature Summary
- Ultrafast recovery time for high efficiency and low switching losses
- Glass passivated pellet chip junction for enhanced reliability
- High forward surge capability to withstand transient loads
Applications
- High frequency rectification in switching mode power supplies
- Inverter circuits
- Freewheeling diode applications
- DC/DC converters
Procurement Notes
Verify that the specific ordering code matches the required package type and qualification level. Confirm compliance with RoHS standards and halogen-free requirements if applicable. Ensure the suffix indicates the correct delivery mode and base part number variant. Cross-reference the document revision date to ensure the latest specifications are being used for design validation.
Selection Notes
Select this component when designing circuits requiring fast switching speeds and low reverse recovery times. Consider the thermal resistance from junction to case for heat dissipation planning. Evaluate the operating temperature range to ensure suitability for the intended environment. Verify that the peak forward surge current rating exceeds the expected circuit transients.
Part Context
This device belongs to the BYW29/BYWB29 series of ultrafast rectifiers from Vishay. The series provides options for various voltage ratings up to 200 V. It is designed for general purpose power switching applications where speed and efficiency are critical. The product line includes both commercial grade and AEC-Q101 qualified automotive variants.
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 performance before substitution.
