UG4KB05

Bridge Rectifier Overview

The UG4KB05 is a single-phase bridge rectifier manufactured by SMC Diode Solutions. It features a glass-passivated die construction and is designed for surface mount applications. The device has a maximum repetitive peak reverse voltage of 50V and an average forward rectified current of 4A. The typical forward voltage drop is 1.1V at the rated current, with a maximum reverse leakage current of 5µA at 50V. It operates within a junction temperature range of -55°C to 150°C and utilizes a D3K package.

Bridge Rectifier Feature Summary

• Glass passivated die construction for enhanced reliability
• Designed specifically for surface mount applications
• High surge current capability

Bridge Rectifier Applications

• General purpose rectification in surface mount circuits
• DC power supply input stages
• Low voltage AC to DC conversion

Bridge Rectifier Procurement Notes

Verify the specific manufacturer datasheet for the UG4KB05 to confirm current production status and exact electrical tolerances. Ensure the selected component matches the required D3K package dimensions and lead configuration for your PCB layout. Cross-reference specifications with official SMC Diode Solutions documentation to validate performance parameters against your design requirements.

Bridge Rectifier Selection Notes

Select this component when a 4A surface mount bridge rectifier with a 50V rating is required. Consider the D3K package size constraints and thermal management needs for the application. Verify that the standard recovery speed and forward voltage characteristics meet the circuit efficiency and switching requirements.

Bridge Rectifier Part Context

The UG4KB05 belongs to the UG4KB series of single-phase bridge rectifiers from SMC Diode Solutions. This series typically includes variants with different voltage ratings while maintaining the same 4A current capacity and D3K surface mount package. These devices are commonly used in compact power electronics where space-saving surface mount technology is preferred over through-hole solutions.

Bridge Rectifier Replacement Considerations

Check for equivalent 4A, 50V surface mount bridge rectifiers in the D3K package from other manufacturers. Ensure compatibility regarding pinout, physical dimensions, and electrical specifications such as forward voltage and reverse leakage current before substitution.