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The BY229B-200-E3/81 is a fast switching plastic rectifier manufactured by Vishay General Semiconductor - Diodes Division. It features a glass passivated chip junction and is housed in a TO-263AB surface mount package. The device supports a maximum average forward rectified current of 8.0 A at a case temperature of 100 °C, with a peak forward surge current capability of 100 A. It offers a maximum repetitive peak reverse voltage of 200 V and a maximum DC blocking voltage of 200 V. Key electrical characteristics include a maximum instantaneous forward voltage of 1.85 V at 20 A, a maximum reverse recovery time of 145 ns, and a typical thermal resistance from junction to case of 2.0 °C/W.
Verify the specific ordering suffix against official documentation to confirm package type and delivery mode. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Ensure thermal management design accounts for the specified junction-to-case thermal resistance values during operation.
Select this component when a surface mount fast recovery rectifier is required for power conversion stages. Consider the 200 V reverse voltage rating and 8.0 A continuous current capacity relative to circuit demands. Evaluate the TO-263AB package dimensions for PCB layout compatibility and verify thermal dissipation needs based on the operating ambient conditions.
This part belongs to the BY229(X,B)-200 through BY229(X,B)-800 series of fast switching plastic rectifiers from Vishay. The series encompasses various voltage ratings from 200 V to 800 V across different packages including TO-220AC, ITO-220AC, and TO-263AB. The BY229B variant specifically denotes the TO-263AB surface mount configuration within this family.
Public confirmed substitute part numbers are not available in the provided source material.