KBL401G

Overview

The KBL401G is a single-phase silicon bridge rectifier manufactured by Taiwan Semiconductor Corporation. It features a peak reverse voltage of 50 V and an average forward current rating of 4 A. The device utilizes a standard KBL through-hole package with a maximum forward voltage drop of 1.1 V at 4 A. Reverse leakage current is specified at 10 µA when tested at the rated blocking voltage. The component operates within a junction temperature range of -55°C to 150°C and complies with RoHS3 standards.

Feature Summary

• Utilizes molded plastic construction for reliable, low-cost performance.
• Features leads solderable per MIL-STD-750 Method 2026.
• Plastic material meets Underwriters Laboratory Flammability Classification 94V-0.

Applications

• Printed circuit board mounting in power supply circuits.
• General-purpose AC to DC conversion.
• Low-voltage rectification applications requiring 4 A capacity.

Procurement Notes

Verify the specific suffix against the manufacturer's datasheet to confirm lead-free status and flammability ratings. Confirm availability as product status may vary. Ensure the ordering part number matches the required voltage and current specifications for the target design.

Selection Notes

Select this component for designs requiring a 50 V peak reverse voltage and 4 A continuous current. Verify that the thermal management supports the 150°C junction temperature limit. Consider derating for capacitive loads as specified in the electrical characteristics.

Part Context

This part belongs to the KBL401G-KBL407G series of miniature single-phase silicon bridge rectifiers. The series offers various voltage ratings from 50 V to 700 V while maintaining a consistent 4 A current capability and KBL package form factor.

Replacement Considerations

Compatible substitutes include FL401 from Panjit and generic KBL401 variants from other manufacturers, provided they match the 50 V PIV, 4 A current, and KBL package dimensions.