KBPF406G

Overview

The KBPF406G is a single-phase bridge rectifier manufactured by Taiwan Semiconductor Corporation. It utilizes silicon p-n junction technology with glass passivation for environmental protection. The device provides a continuous average forward rectified current of 1.0 A at an ambient temperature of 75°C and supports repetitive peak reverse voltages ranging from 50 V to 1000 V. Key electrical parameters include a maximum non-repetitive peak forward surge current of 30 A, a maximum RMS diode current of 1.6 A, and a maximum DC blocking voltage up to 1000 V. The component operates within a junction temperature range of -55°C to +150°C.

Feature Summary

• Glass passivated junctions provide mechanical strength and meet UL flammability classification standards.
• Molded plastic case ensures good heat dissipation capabilities.
• Designed for high reliability in demanding electronic environments.

Applications

• AC-DC power supply circuits
• Battery chargers
• Inverter systems

Procurement Notes

Verify the manufacturer marking on the component body against official Taiwan Semiconductor documentation to confirm authenticity. Ensure the part number suffix matches the required voltage rating, as the base model covers a range. Request the specific datasheet for the exact voltage variant to validate thermal and electrical ratings before integration into production designs.

Selection Notes

Select this component based on the required peak inverse voltage and load current specifications. Confirm that the operating ambient temperature remains within the specified limits to maintain the rated 1.0 A current capability. Consider the package type and mounting style requirements for the target PCB layout when choosing between available variants.

Part Context

This component belongs to the KBP series of single-phase bridge rectifiers produced by Taiwan Semiconductor. The series is characterized by its robust construction and wide voltage availability. It serves as a standard solution for general-purpose rectification tasks in consumer electronics and industrial equipment requiring reliable AC-to-DC conversion.

Replacement Considerations

Direct replacements must match the 1.0 A current rating, 1000 V maximum reverse voltage, and similar physical dimensions. Verify compatibility with existing footprint constraints and thermal management requirements when substituting with equivalent parts from other manufacturers.