GBU804-G

Overview

The GBU804-G is a general-purpose bridge rectifier manufactured by Comchip Technology. It utilizes silicon planar epitaxial construction and is designed for high current applications. The device features a maximum repetitive peak reverse voltage of 400 V and a maximum average forward rectified current of 8 A at 75°C. It employs a molded plastic package with UL recognized flammability rating 94V-0. The component supports through-hole mounting in the GBU format, ensuring reliable performance in AC-to-DC conversion circuits.

Feature Summary

• Utilizes silicon planar epitaxial construction for robust electrical characteristics
• Features a molded plastic package with UL recognized flammability rating 94V-0
• Designed for high current applications with low forward voltage drop

Applications

• AC to DC power supply units
• Battery chargers
• General purpose rectification in industrial equipment

Procurement Notes

Verify the specific datasheet revision and RoHS compliance status directly with Comchip Technology or authorized distributors before procurement. Confirm that the GBU package dimensions match your PCB footprint requirements. Ensure thermal management strategies account for the 8 A continuous current rating under your specific ambient temperature conditions to maintain reliability.

Selection Notes

Select this component when an 8 A current rating and 400 V reverse voltage are required in a standard GBU through-hole package. Consider thermal derating curves if operating temperatures exceed 75°C. Verify that the forward voltage characteristics meet the efficiency requirements of the target power supply design compared to alternative bridge rectifier options.

Part Context

The GBU804-G belongs to Comchip Technology's GBU series of bridge rectifiers. This series is characterized by high current capability and compact molded packages suitable for various power conversion needs. The GBU form factor provides a balance between current handling capacity and board space efficiency for general electronic applications.

Replacement Considerations

Cross-reference with other manufacturers' GBU804 equivalents or higher voltage variants like GBU806/GU810 if system voltage margins require adjustment. Ensure pinout compatibility and thermal resistance values match the existing design constraints when substituting.