KBU804G

Overview

The KBU804G is a silicon bridge rectifier diode manufactured by Taiwan Semiconductor Corporation. It features an 8 A average forward rectified current rating and a maximum repetitive peak reverse voltage of 400 V. The device utilizes the KBU plastic package, which provides flange mounting for efficient heat dissipation. Constructed with high-temperature stable silicon chips, it ensures reliable operation in demanding power supply applications.

Feature Summary

• High surge current capability for robust transient protection
• Low forward voltage drop to improve system efficiency
• Flange mount design for effective thermal management

Applications

• AC-DC bridge rectifiers in power supplies
• Inverter circuits
• General-purpose rectification

Procurement Notes

Verify the manufacturer marking on the component body matches Taiwan Semiconductor specifications. Confirm the package type is KBU and check for any suffixes that may indicate specific tape-and-reel packaging or lead-free compliance variations. Ensure datasheet revisions align with your design requirements.

Selection Notes

Select this component when an 8 A current rating and 400 V blocking voltage are required in a flange-mountable package. Consider the thermal resistance characteristics of the KBU case for heatsink selection. Verify that the operating junction temperature range meets the environmental conditions of the target application.

Part Context

This part belongs to the KBU series of bridge rectifiers from Taiwan Semiconductor. The series offers various current and voltage combinations in a standardized plastic flange-mount package, widely used in industrial and consumer power conversion equipment requiring reliable AC-to-DC conversion.