KBL408-G

Overview

The KBL408-G is a single-phase silicon bridge rectifier manufactured by Comchip Technology. It features a maximum average forward rectified current of 4.0 A and a repetitive peak reverse voltage rating of 800 V. The device utilizes glass passivation for junction protection and is housed in a lead-free plastic KBL package with four pins. It supports through-hole mounting and operates within a temperature range from -55 °C to +150 °C.

Feature Summary

• Glass passivated for reliable junction protection
• High surge current capability
• Lead-free plastic housing compliant with RoHS standards

Applications

• General purpose rectification in power supplies
• Bridge circuits for AC to DC conversion
• Protection against voltage transients in electronic systems

Procurement Notes

Verify the manufacturer designation as Comchip Technology when sourcing this component. Confirm that the part number includes the specific suffix indicating lead-free compliance. Ensure the package type matches the required KBL form factor for your circuit board layout.

Selection Notes

Select this component for applications requiring a 4 A current rating and 800 V reverse voltage blocking capability. Consider the KBL package dimensions for mechanical fitment. Verify thermal management requirements based on the specified operating temperature range and forward voltage characteristics.

Part Context

This component belongs to the KBL series of bridge rectifiers, which are widely used in general-purpose electronics. The KBL408-G variant specifically denotes the 800 V rating within this family. It serves as a standard solution for converting alternating current to direct current in various industrial and consumer devices.

Replacement Considerations

Compatible substitutes include KBL408G from Won-Top Electronics, EIC, AMERICASEMI, GeneSiC Semiconductor, Juxing Electronic, New Jersey Semiconductor, SENSITRON, Sangdest Microelectronics, Surge Components, and Daco Semiconductor Co Ltd.