GBU4D-T

Overview

The GBU4D-T is a single-phase bridge rectifier manufactured by Diotec Semiconductor, housed in the GBU surface-mount package. It features a maximum repetitive peak reverse voltage of 400 V and an average forward rectified current rating of 4 A. The device is designed for high-temperature operation with a maximum junction temperature of 150°C. Key electrical parameters include a maximum RMS input voltage of 280 V and a peak inverse voltage of 560 V. The unit complies with RoHS standards and is halogen-free, ensuring environmental safety for industrial and consumer applications.

Feature Summary

• High thermal stability supporting continuous operation at elevated junction temperatures up to 150°C
• Robust surge current handling capability for reliable performance under transient load conditions
• Halogen-free construction compliant with RoHS directives for environmentally safe integration

Applications

• AC-DC power supply modules requiring compact bridge rectification
• Battery chargers for consumer electronics and industrial equipment
• General-purpose DC power supplies in white goods and home appliances

Procurement Notes

Verify component authenticity through authorized Diotec Semiconductor distributors or certified partners. Request official datasheets and material declarations to confirm RoHS compliance and halogen-free status. Ensure packaging integrity matches specified reel or tube quantities for automated assembly processes. Validate lot traceability against production batch records prior to procurement finalization.

Selection Notes

Select the GBU4D-T when a 400 V reverse voltage rating and 4 A continuous current capacity are required in a GBU surface-mount footprint. Confirm that the application's peak inverse voltage does not exceed 560 V and that thermal management supports the 150°C junction limit. Compare against alternative bridge rectifiers if higher current ratings or different package constraints apply.

Part Context

The GBU4D-T belongs to Diotec Semiconductor’s GBU series of single-phase bridge rectifiers. This series provides standardized solutions for AC-to-DC conversion in space-constrained designs. The GBU package offers robust mechanical stability and efficient heat dissipation compared to smaller form factors, making it suitable for medium-power applications in industrial and consumer markets.

Replacement Considerations

Cross-reference with other 4A/400V GBU-series bridge rectifiers from Diotec or equivalent manufacturers. Verify pinout compatibility and thermal resistance characteristics before substitution. Ensure replacement parts meet identical RoHS and halogen-free requirements for regulatory compliance.