GBU4A-T

Overview

The GBU4A-T is a single-phase bridge rectifier manufactured by Diotec Semiconductor, housed in the GBU surface-mount package. It features four silicon diode elements configured for full-wave rectification with an isolated case connection. The device supports a maximum repetitive peak reverse voltage of 50 V and a continuous forward current of 4 A. Key electrical parameters include a maximum non-repetitive peak forward surge current of 150 A and a typical junction temperature range extending to +175 °C. The component utilizes lead-free terminal finishes compliant with RoHS standards.

Feature Summary

• Single-phase bridge configuration with four integrated silicon elements
• Isolated case design for direct mounting to heatsinks or circuit boards
• Lead-free construction ensuring compliance with environmental directives

Applications

• General-purpose AC to DC power supply rectification
• Low-voltage battery charging circuits
• Consumer electronics power adapters

Procurement Notes

Verify the specific suffix 'T' against the official Diotec Semiconductor datasheet to confirm tape-and-reel packaging specifications. Ensure the selected variant matches the required 50 V rating and 4 A current capacity for the target application. Confirm RoHS compliance status and lead-free finish details directly from the manufacturer's documentation prior to ordering.

Selection Notes

Select this component for applications requiring low-voltage rectification in compact surface-mount layouts. The GBU package offers robust mechanical stability compared to smaller alternatives. Verify that the 50 V reverse voltage rating provides sufficient margin for the input AC peak voltage. Consider thermal management requirements given the 4 A continuous current capability and the thermal resistance characteristics of the GBU housing.

Part Context

This part belongs to Diotec Semiconductor's standard discrete rectifier portfolio, designed for general electronic applications. The GBU series provides a balance of current handling and physical footprint. The GBU4A-T specifically denotes the 50 V variant within this family, distinguished by its lower breakdown voltage compared to higher-rated siblings like the GBU4K.

Replacement Considerations

Cross-reference with other manufacturers offering GBU-4A equivalents. Verify pinout compatibility and thermal performance metrics. Ensure substitute parts meet the same 50 V reverse voltage and 4 A forward current specifications.