B84312F0050B031

Power Line Filter Modules Overview

The B84312F0050B031 is a common mode choke from the EPCOS B84312 series, designed for electromagnetic interference suppression in data transmission lines. It features a rated current of 50 mA and an inductance value specified at standard test frequencies. The component utilizes a surface-mount package configuration suitable for automated assembly processes. Its construction supports high impedance characteristics to attenuate common mode noise while maintaining signal integrity for differential pairs.

Power Line Filter Modules Feature Summary

• Provides effective attenuation of common mode electromagnetic interference signals
• Designed for compact surface-mount integration into dense circuit boards
• Maintains signal integrity for high-speed data transmission applications

Power Line Filter Modules Applications

• USB interface circuits requiring noise suppression
• High-speed serial data line protection
• Telecommunications equipment input/output stages

Power Line Filter Modules Procurement Notes

Verify the complete part number against manufacturer datasheets to ensure correct inductance tolerance and current rating specifications. Confirm that the packaging format matches production requirements. Cross-reference terminal plating options if solderability or corrosion resistance is critical for the specific environmental conditions of the end application.

Power Line Filter Modules Selection Notes

Select this component based on the required DC bias current handling capability and the target frequency range for noise attenuation. Ensure the physical footprint aligns with the PCB layout constraints. Evaluate the impedance profile at the operating frequency to confirm sufficient noise reduction without degrading the desired differential signal performance.

Power Line Filter Modules Part Context

This component belongs to the B84312 family of common mode chokes manufactured by EPCOS, now part of TDK Electronics. The series offers various inductance values and current ratings tailored for different data bus speeds. These components are widely utilized in consumer electronics and industrial control systems where space-saving surface-mount solutions are necessary for EMI compliance.

Power Line Filter Modules Replacement Considerations

Consult official substitution lists for equivalent inductance and current ratings. Verify pin compatibility and mechanical dimensions before replacing. Ensure the alternative component meets the same safety certifications and environmental standards required for the original design.