GBU8K-M3/51

Overview

The GBU8K-M3/51 is a single-phase bridge rectifier manufactured by Vishay Semiconductors. It features an 800 V repetitive peak reverse voltage and an average forward rectified current of 8 A. The device utilizes glass passivation for junction protection and is housed in a GBU through-hole package with solder pin terminations. Key electrical parameters include a maximum forward voltage of 1 V, a reverse leakage current of 5 uA, and a peak non-repetitive forward surge current of 200 A. The unit operates within a temperature range of -55 °C to +150 °C.

Feature Summary

• Glass passivated junctions provide stable performance and reliable operation under varying thermal conditions.
• High surge current capability ensures robustness against transient overloads during power-up or fault conditions.
• Through-hole mounting configuration facilitates integration into standard printed circuit board layouts.

Applications

• AC to DC conversion in general-purpose power supplies
• Bridge full-wave rectification in adapter applications
• Power management circuits in display and printer systems

Procurement Notes

Verify the specific ordering suffix to confirm packaging format, as /45 denotes tube packaging while /51 may indicate tray packaging. Confirm RoHS compliance status via the manufacturer's official documentation before procurement. Ensure the component matches the required voltage and current ratings for the target circuit design.

Selection Notes

Select this component when an 800 V rating is required for single-phase bridge rectification. The GBU package offers a compact form factor suitable for space-constrained designs. Consider the 200 A surge current rating for applications involving high inrush currents. Verify that the through-hole mounting style aligns with the assembly process.

Part Context

This part belongs to the Vishay GBU series of single-phase bridge rectifiers. The M3 suffix indicates lead-free construction and halogen-free molding compound. The GBU series is designed for high reliability in industrial and consumer electronics applications requiring efficient AC-to-DC conversion.

Replacement Considerations

The GBU8K-E3/45 is a documented alias for this component. Verify compatibility with other GBU8K variants from Vishay, ensuring identical electrical specifications and mechanical dimensions before substitution.