KBU808-G

Overview

The KBU808-G is a single-phase bridge rectifier manufactured by Comchip Technology, designed for through-hole mounting. It features an 8.0 A average forward current and an 800 V maximum repetitive reverse voltage. The device utilizes glass passivation for electrode protection and offers a low forward voltage of 1 V at rated current. It supports a peak forward surge current of 200 A and operates within a junction temperature range of -55 °C to +175 °C. The component is housed in the KBPC-4 package, suitable for high-reliability power conversion applications.

Feature Summary

• Glass passivated cathode electrodes provide enhanced mechanical strength and moisture resistance for long-term reliability.
• High surge overload rating of 200 amperes ensures robust performance during transient electrical events.
• Designed specifically for printed circuit board mounting with standardized terminal configurations.

Applications

• General-purpose power supply circuits
• Battery charging systems
• DC-to-AC inverters

Procurement Notes

Verify the specific manufacturer datasheet for the KBU808-G to confirm RoHS compliance status and exact thermal characteristics. Ensure that the procurement source provides official documentation from Comchip Technology or authorized distributors. Cross-reference the part number against the latest product change notifications to verify manufacturing consistency and material composition updates prior to final acquisition.

Selection Notes

Select the KBU808-G when an 8 A continuous current capacity and 800 V reverse voltage blocking capability are required. This component is appropriate for designs utilizing through-hole technology on printed circuit boards. Consider the 200 A surge rating for applications involving significant inrush currents. Ensure the operating environment remains within the specified -55 °C to +175 °C junction temperature range for optimal device longevity.

Part Context

The KBU808-G belongs to the standard bridge rectifier family produced by Comchip Technology. This series is characterized by glass passivation techniques and high surge current handling capabilities. The component serves as a fundamental building block for AC-to-DC conversion in industrial and consumer electronics, offering a balance of high current density and voltage withstand in a standard through-hole package format.

Replacement Considerations

Compatible substitutes include the KBU808-H and KBU808A-G, which share identical electrical ratings and pinout configurations. Verify that alternative sources maintain the same glass passivation process and thermal specifications to ensure functional equivalence in existing circuit designs without requiring layout modifications.