UD4KB05-BP

Bridge Rectifier Overview

The UD4KB05-BP is a single-phase bridge rectifier manufactured by Micro Commercial Components (MCC). It features glass passivated chip junctions and epoxy meeting UL 94 V-0 flammability ratings. The device supports an average rectified forward current of 4 A at a case temperature of 140°C and offers a peak repetitive reverse voltage of 50 V. Key electrical parameters include a maximum non-repetitive peak surge current of 130 A, a typical forward voltage of 1.0 V at 2 A, and a reverse leakage current of 5 uA at 25°C. The component operates within a junction temperature range of -55°C to 150°C.

Bridge Rectifier Feature Summary

• Glass passivated chip junction for enhanced reliability
• Halogen-free green device construction
• High surge forward current capability
• Lead-free finish with RoHS compliance

Bridge Rectifier Applications

• General purpose AC to DC power supply conversion
• Low voltage rectification circuits
• Industrial control systems requiring robust diode protection

Bridge Rectifier Procurement Notes

Verify authenticity through authorized MCC distributors or direct purchase to avoid counterfeit components. Confirm the BP suffix indicates RoHS compliance and lead-free finish. Ensure storage conditions align with manufacturer guidelines to maintain product integrity prior to assembly.

Bridge Rectifier Selection Notes

Select this component for applications requiring 50 V reverse blocking capability and 4 A continuous current handling. Consider thermal resistance values when designing heatsinking solutions. Verify that the operating junction temperature range meets the specific environmental requirements of the target system.

Bridge Rectifier Part Context

This part belongs to the UD4KB series, which includes variants ranging from 50 V to 1000 V reverse voltage. All members share similar mechanical dimensions and thermal characteristics, differing primarily in their peak repetitive reverse voltage ratings. The series utilizes a standard bulk packaging format.

Bridge Rectifier Replacement Considerations

Other parts in the UD4KB series offer higher voltage ratings but share identical physical footprints. Cross-reference electrical limits carefully to ensure the replacement meets or exceeds the original circuit's voltage and current requirements without altering mechanical mounting constraints.

Bridge Rectifier FAQ

What is the maximum non-repetitive peak surge current?

The maximum non-repetitive peak surge current is 130 A for an 8.3 ms half sine wave.

Does the device meet halogen-free standards?

Yes, the device is defined as a halogen-free green product containing less than 900 ppm bromine and chlorine combined.

What is the recommended mounting torque?

The recommended mounting torque for the terminals is 0.5 N•m.