BLM18BB141SZ1D

Chip Ferrite Bead Overview

The BLM18BB141SZ1D is a single-line ferrite bead from Murata Electronics, designed for surface-mount assembly in the 0603 (1608 metric) package. It provides an impedance of 140 Ohms at 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 450 mA and features a maximum DC resistance of 350 mOhms. It operates within a temperature range of -55°C to +125°C. Physical dimensions are 1.6 mm in length, 0.8 mm in width, and 0.6 mm in height.

Chip Ferrite Bead Feature Summary

• Provides high-frequency noise suppression through significant impedance characteristics at 100 MHz.
• Engineered for automotive infotainment applications requiring reliable signal line filtering.
• Utilizes a compact 0603 surface-mount footprint to facilitate automated PCB assembly.

Chip Ferrite Bead Applications

• Automotive infotainment system noise filtering
• Signal line EMI suppression in electronic circuits
• High-frequency noise attenuation in compact mobile devices

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'Z1D' against official Murata documentation to confirm packaging details and RoHS compliance status. Ensure that the required maximum DC current of 450 mA aligns with the target circuit design to prevent saturation or excessive thermal rise during operation.

Chip Ferrite Bead Selection Notes

Select this component when a 140 Ohm impedance at 100 MHz is required for single-line noise reduction. Consider the 0603 package size for space-constrained layouts. Verify that the 450 mA current rating meets the application's peak load requirements without exceeding the thermal limits defined by the operating temperature range.

Chip Ferrite Bead Part Context

This part belongs to the BLM18 series of chip ferrite beads manufactured by Murata Electronics. The series is widely used for electromagnetic interference suppression in various electronic devices. The BLM18BB variant specifically targets automotive and industrial applications, offering robust performance under varying environmental conditions.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for equivalent parts with matching impedance and current ratings. Cross-reference package dimensions to ensure mechanical compatibility on existing PCB footprints before implementing any alternative components.