GBU4KL-6437M3/51

Overview

The GBU4KL-6437M3/51 is a single-phase bridge rectifier from Vishay General Semiconductor - Diodes Division. It features an 800 V maximum repetitive peak reverse voltage and a 3 A average forward rectified current rating. The component utilizes the GBU package for through-hole mounting. This device belongs to the FRED Pt® series, indicating fast recovery characteristics suitable for high-frequency applications.

Feature Summary

• Fast recovery diode technology utilizing FRED Pt® process
• Single-phase full-wave bridge rectification configuration
• Through-hole mounting in standard GBU package

Applications

• High-frequency power supply circuits
• DC-DC converter input stages
• General purpose rectification in industrial electronics

Procurement Notes

This specific part number is officially listed as obsolete and no longer manufactured by the supplier. Procurement should focus on identifying parametric equivalents or active replacement components that meet the required electrical specifications. Verify RoHS compliance status with the substitute manufacturer before integration into production designs.

Selection Notes

Designers requiring this specification should evaluate active alternatives within the same product family. Key parameters to match include the 800 V reverse voltage rating and 3 A current capacity. Ensure the selected replacement maintains compatibility with the GBU footprint and thermal requirements of the original application design.

Part Context

This component is part of Vishay's FRED Pt® line, which employs Platinum-doped silicon for optimized switching performance. The GBU series provides robust mechanical stability for through-hole applications. The 'M3' suffix typically denotes lead-free and halogen-free compliance, aligning with modern environmental standards for electronic components.

Replacement Considerations

GBU4K-E3/45 is a confirmed parametric equivalent available from the same manufacturer.