CDNBS04-B08400

Bridge Rectifier Overview

The CDNBS04-B08400 is a single-phase surface mount bridge rectifier manufactured by Bourns Inc. It provides a maximum average forward rectified current of 0.8 A at an ambient temperature of 40 °C and features a maximum repetitive peak reverse voltage of 400 V. The device utilizes a four-lead SMT package with dimensions of approximately 5 mm x 7 mm, designed for direct mounting onto FR4 printed circuit boards. Key electrical characteristics include a maximum DC blocking voltage of 400 V, a typical junction capacitance of 13 pF per element, and a maximum forward voltage of 1.15 V at 0.4 A DC. The component supports a peak forward surge current of 30 A and operates within a junction temperature range of -55 °C to +150 °C.

Bridge Rectifier Feature Summary

• High reliability construction with superior moisture resistance suitable for demanding environments
• Compact molded package design optimized for board space efficiency in surface mount applications
• Capable of automatic insertion and compatible with standard JEDEC SOD-106 footprints

Bridge Rectifier Applications

• Switching power supply circuits
• Home appliances and office equipment
• Telecommunication systems and factory automation

Bridge Rectifier Procurement Notes

Verify the specific part number against official manufacturer documentation before procurement. Confirm that the component meets RoHS compliance requirements as specified in the datasheet. Ensure that the selected package type aligns with the intended PCB footprint and automated assembly processes. Check for any updates regarding the recommendation status for new designs.

Bridge Rectifier Selection Notes

Select this component based on the required 400 V peak reverse voltage rating and 0.8 A continuous current capability. Consider the thermal resistance and derating curves when designing for high ambient temperatures. Verify compatibility with the target PCB material and ensure the package dimensions fit the available board space constraints.

Bridge Rectifier Part Context

This component belongs to the CDNBS04-B08200~B08800 series of surface mount rectifiers from Bourns Inc. The series offers various voltage ratings ranging from 200 V to 800 V while maintaining a consistent 0.8 A current rating. The devices are designed for general-purpose rectification in compact electronic assemblies requiring reliable performance.

Bridge Rectifier Replacement Considerations

Compatible substitutes within the same series include CDNBS04-B08200 (200 V), CDNBS04-B08600 (600 V), and CDNBS04-B08800 (800 V). These parts share identical packaging and current ratings but differ in their maximum repetitive peak reverse voltage specifications.