BNX027H01L

Overview

The Murata BNX027H01L is a surface-mount EMI suppression filter from the EMIFIL BNX series, designed for high-current DC power lines. It features an LC circuit topology with a capacitance of 22 µF and supports a rated current of 20 A at 16 VDC. The component operates within a frequency range of 50 kHz to 1 GHz, providing effective noise attenuation. It utilizes flat contact terminals for SMD mounting and functions reliably between -55°C and +125°C.

Feature Summary

• Supports large current loads up to 20 A for robust power line filtering
• Provides wide frequency range noise suppression from 50 kHz to 1 GHz
• Utilizes surface mount technology with flat contact terminals for compact integration

Applications

• Noise suppression for DC power lines in automotive electronics
• Power supply filtering for amusement equipment
• EMI mitigation in digital AV devices and PC peripherals

Procurement Notes

Verify the specific suffix against official Murata documentation to confirm exact electrical characteristics, as variations exist within the BNX02xH01x family. Confirm RoHS compliance status and AEC-Q200 qualification requirements directly with the manufacturer or authorized distributors prior to procurement. Ensure the selected variant matches the required voltage and current ratings for the target application.

Selection Notes

Select this component when high current handling capacity of 20 A is required alongside broad-spectrum EMI suppression. The 22 µF capacitance offers significant filtering capability for low-frequency noise while maintaining effectiveness at higher frequencies. Consider the physical dimensions and SMD footprint compatibility during PCB layout design to ensure proper thermal and mechanical performance.

Part Context

This part belongs to the Murata EMIFIL BNX series, which specializes in block-type EMI filters for automotive and industrial applications. The series is characterized by its ability to handle high currents while maintaining small form factors. These filters are engineered to meet stringent automotive reliability standards, including AEC-Q200 qualification, ensuring durability in harsh operating environments.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult Murata's official cross-reference tools or datasheets for verified alternatives that match the 20 A rating, 22 µF capacitance, and SMD package specifications.