BLM18HD471SN1D

Chip Ferrite Bead Overview

The Murata BLM18HD471SN1D is a single ferrite chip bead in the EMIFIL BLM18 series, housed in a 0603 (1608 metric) surface-mount package. It provides an impedance of 470 Ohms at 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 100 mA and exhibits a maximum DC resistance of 1.2 Ohms. It operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Provides high-impedance noise suppression for signal lines in compact designs
• Engineered for effective electromagnetic interference filtering in digital circuits
• Utilizes a robust monolithic ferrite structure for stable performance

Chip Ferrite Bead Applications

• EMI suppression filters
• Digital interface noise reduction

Chip Ferrite Bead Procurement Notes

Verify the specific suffix against official Murata documentation to confirm electrical ratings, as variations exist within the BLM18 family. Ensure the selected variant matches the required current handling and impedance specifications for the target application circuit.

Chip Ferrite Bead Selection Notes

Select this component when low current capacity is acceptable and minimal physical footprint is required. Compare against higher-current variants if the application demands greater DC bias tolerance while maintaining similar impedance characteristics.

Chip Ferrite Bead Part Context

This part belongs to the Murata EMIFIL BLM18 series of ferrite beads. These components are designed for noise suppression in portable devices and digital equipment. The series offers various impedance and current combinations within standard industry footprints.

Chip Ferrite Bead Replacement Considerations

Consult official substitution guides for equivalent parts. Verify that any alternative maintains identical impedance values, current ratings, and package dimensions to ensure circuit compatibility.