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Ⅰ.Overview of product

The BYT54B-TR is a single avalanche rectifier diode developed by Vishay General Semiconductor - Diodes Division. Classified under Discrete Semiconductor Products, it features through-hole mounting, stable performance across a wide junction temperature range, and is packaged in tape & reel for automated assembly, making it suitable for various low-to-medium power rectification and protection applications.

Ⅱ.Core parameter

Category:Discrete Semiconductor Products,Diodes,Rectifiers,Single Diodes

Mfr:Vishay General Semiconductor - Diodes Division

Packaging:Tape & Reel (TR)

Part Status:Active

Technology:Avalanche

Voltage - DC Reverse (Vr) (Max):100 V

Current - Average Rectified (Io):1.25A

Voltage - Forward (Vf) (Max) @ If:1.5 V @ 1 A

Reverse Recovery Time (trr):100 ns

Current - Reverse Leakage @ Vr:5 µA @ 100 V

Mounting Type:Through Hole

Package / Case:SOD-57, Axial

Supplier Device Package:SOD-57

Operating Temperature - Junction:-55°C ~ 175°C

Ⅲ.Main characteristics

Avalanche Technology Support:Integrates avalanche breakdown protection, effectively absorbing transient voltage spikes to prevent damage to downstream circuit components, enhancing system reliability.

Balanced Electrical Performance:Boasts a maximum DC reverse voltage of 100 V and average rectified current of 1.25 A, meeting the power supply and rectification needs of low-to-medium power electronic devices;the 100 ns reverse recovery time ensures fast switching response,reducing signal delay in high-frequency circuits.

Low Forward Voltage Drop:Features a maximum forward voltage (Vf) of 1.5 V @ 1 A, minimizing power loss during current conduction, which is critical for improving energy efficiency in battery-powered devices.

Wide Temperature Adaptability:Operates stably within a junction temperature range of -55°C ~ 175°C, enabling normal function in harsh environments such as industrial control cabinets and outdoor electronic equipment.

Automated Assembly Compatibility:Adopts Tape & Reel (TR) packaging, which is compatible with standard SMT (Surface Mount Technology) assembly lines, reducing manual operation errors and improving production efficiency for large-batch manufacturing.

Through-Hole Mounting Reliability:The SOD-57 axial through-hole package ensures strong mechanical stability after soldering, making it suitable for applications requiring high vibration resistance.

Ⅳ.Application field

Automotive Electronic Subsystems:Used in automotive interior auxiliary circuits, such as 12V car audio power rectification and automotive dome light current regulation,leveraging its wide temperature range and avalanche protection to withstand voltage fluctuations in the vehicle power grid.

Industrial Control Equipment:Applied in low-power industrial sensor power supplies and PLC (Programmable Logic Controller) analog signal rectification modules, ensuring stable power input for precision control components.

Consumer Electronics:Integrated into portable USB-powered devices for rectifying AC-to-DC converted current,and used in household small appliances to reduce power loss via low forward voltage drop.

Telecommunication Devices:Utilized in indoor DSL modem power modules and small-sized router auxiliary rectification circuits,where its fast reverse recovery time (100 ns) supports high-frequency signal transmission without interference.

Medical Auxiliary Equipment:Employed in low-voltage medical monitors and portable insulin pump power management units,relying on its stable leakage current (5 µA @ 100 V) to ensure low-noise operation of sensitive medical sensors.

Lighting Systems:Used in 12V LED strip power rectification and smart bulb driver circuits, providing consistent current output to prevent LED flicker and extending the service life of lighting components.

Ⅴ.Summary

The BYT54B-TR is a high-reliability single avalanche rectifier diode with balanced electrical performance, wide environmental adaptability, and automated assembly compatibility. Its core advantages make it a preferred component in automotive, industrial, consumer electronics, and medical fields, especially for low-to-medium power rectification and transient voltage protection scenarios.