BLM18HD601SN1D

Chip Ferrite Bead Overview

The BLM18HD601SN1D is a single-line ferrite chip bead manufactured by Murata Electronics, designed for electromagnetic interference (EMI) suppression in surface-mount applications. It features an impedance of 600 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. The component has a maximum DC resistance (DCR) of 1.5 Ohms and supports a maximum rated current of 100 mA. It utilizes a monolithic ferrite construction within a 0603 (1608 metric) package, measuring 1.6 mm in length, 0.8 mm in width, and up to 0.95 mm in height. The device operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Monolithic ferrite construction for effective high-frequency noise attenuation
• Compact 0603 surface-mount footprint suitable for space-constrained designs
• High-temperature stability supporting operation up to 125°C

Chip Ferrite Bead Applications

• EMI suppression on signal lines in digital circuits
• Noise filtering in portable electronic devices
• Power line conditioning for low-current components

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'SN1D' against official Murata documentation to confirm packaging details and compliance status. Ensure that the selected variant matches the required current rating and impedance tolerance for the target application. Cross-reference the manufacturer part number with authorized distributors to obtain valid technical datasheets and ensure authenticity of the supply chain.

Chip Ferrite Bead Selection Notes

Select this component when a 600 Ohm impedance at 100 MHz is required for a single signal path. The 100 mA current rating limits suitability to low-power signal lines rather than high-current power rails. Consider the 1.5 Ohm DCR impact on voltage drop if used in sensitive analog or power delivery contexts. The 0603 package size dictates board layout constraints compared to smaller or larger ferrite options.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM18 series of EMI suppression filters. The series offers various impedance values and current ratings within the 0603 package form factor. The BLM18HD601SN1D specifically addresses mid-range impedance requirements for noise control in compact consumer electronics and industrial control systems where space efficiency is critical.

Chip Ferrite Bead Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.