GBU8K-4M3/51

Description：BRIDGE RECT 1PHASE 800V 3.9A GBU
Series：-

SKU:b7743368997b Category: Bridge Rectifiers Brand: Vishay General Semiconductor - Diodes Division

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Product introduction

Product Detailed Parameters

Description：BRIDGE RECT 1PHASE 800V 3.9A GBU
Series：-
Mfr：Vishay General Semiconductor - Diodes Division
Package：Tube
Diode Type：Single Phase
Technology：Standard
Voltage - Peak Reverse (Max)：800 V
Current - Average Rectified (Io)：3.9 A
Voltage - Forward (Vf) (Max) @ If：1 V @ 8 A
Current - Reverse Leakage @ Vr：5 µA @ 800 V
Operating Temperature：-55°C ~ 150°C (TJ)
Mounting Type：Through Hole
Package / Case：4-SIP, GBU
Supplier Device Package：GBU

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GBU8K-4M3/51

Overview

The GBU8K-4M3/51 is a single-phase bridge rectifier from Vishay, designed for through-hole mounting in the GBU package. It features an 800 V peak reverse voltage rating and supports an average forward current of 3.9 A. The device exhibits a maximum forward voltage drop of 1 V at 8 A and a low reverse leakage current of 5 µA. It withstands a maximum surge current of 200 A and operates within a temperature range of -55 °C to +150 °C junction temperature.

Feature Summary

Glass passivated junction structure ensures stable reverse blocking performance
High thermal capacity design accommodates significant surge current loads
Compliant with RoHS standards and free from hazardous substances

Applications

AC-to-DC power supply conversion circuits
Battery charging systems requiring high reverse voltage tolerance
Industrial control equipment power stages

Procurement Notes

Verify that the ordering suffix /51 corresponds to the specific tube packaging configuration as defined by Vishay. Confirm that the component meets current environmental compliance requirements before integration into final assemblies. Cross-reference the manufacturer datasheet to ensure the electrical parameters align with the target circuit design specifications.

Selection Notes

Select this component when the application demands an 800 V reverse voltage capability combined with a 3.9 A continuous current rating. The GBU package provides robust mechanical stability for through-hole assembly processes. Ensure the thermal management strategy accounts for the specified junction temperature limits during operation.

Part Context

This part belongs to the GBU series of bridge rectifiers manufactured by Vishay General Semiconductor. The series offers various voltage ratings and current capacities within the same standardized footprint. The GBU8K variant specifically targets applications requiring higher voltage isolation while maintaining efficient conduction characteristics.