BNX023-01L

Overview

The Murata BNX023-01L is a block-type LC EMI filter designed for surface mount applications. It features a 5th-order low-pass configuration with two channels, rated for 100V DC and currents up to 20A. The component exhibits an attenuation of 35dB within the 1MHz to 1GHz frequency range. Physical dimensions are 12.1mm in length, 9.1mm in width, and 3.3mm in height. It operates between -40°C and +125°C.

Feature Summary

• Block-style LC combined filter architecture providing high-density integration
• Low-pass filtering capability for effective noise suppression
• High current handling capacity suitable for power data lines

Applications

• Data line protection in mobile devices
• AI server signal integrity management
• General EMI/RFI suppression in compact electronics

Procurement Notes

Verify the specific suffix against official Murata documentation to confirm electrical ratings, as variations exist within the BNX series. Confirm package availability matches production requirements. Ensure compliance with RoHS3 standards if required by the target application environment.

Selection Notes

Select this component when space-constrained designs require high-performance filtering without discrete components. The block type offers superior thermal performance compared to standard chip filters. Verify that the 20A rating aligns with the system's peak current demands to ensure reliability.

Part Context

This part belongs to the EMIFIL BNX series, which utilizes Murata's proprietary block technology. This series is engineered to replace multiple discrete inductors and capacitors, reducing board space and improving high-frequency response characteristics for modern high-speed data interfaces.

Replacement Considerations

Check for BNX023-01B or other BNX02 variants. Suffixes may indicate differences in termination style or specific rating tolerances. Consult the manufacturer datasheet to confirm interchangeability before substitution.