BLM18BB050SN1D

Chip Ferrite Bead Overview

The Murata BLM18BB050SN1D is a single-line chip ferrite bead in the EMIFIL BLM18BB series, designed for high-speed signal line noise suppression. It features a 0603 (1608 metric) surface-mount package with dimensions of 1.6 mm length, 0.8 mm width, and 0.8 mm height. The component provides an impedance of 5 Ohms at a test frequency of 100 MHz with a tolerance of 25%. It supports a maximum DC current of 800 mA and has a maximum DC resistance of 100 mOhms. The device operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Suppresses high-frequency noise in high-speed signal lines
• Single-line configuration for compact circuit design
• Surface-mount construction for automated assembly

Chip Ferrite Bead Applications

• High-speed signal line noise suppression
• Consumer electronics
• Portable devices
• Power management circuits

Chip Ferrite Bead Procurement Notes

Verify the complete part number including suffix SN1D to ensure correct packaging and specifications. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Cross-reference impedance values at 100 MHz against schematic requirements to validate EMI filtering performance for the specific application environment.

Chip Ferrite Bead Selection Notes

Select this component when low impedance is required for high-current signal paths up to 800 mA. The 0603 footprint offers space efficiency compared to larger packages. Ensure the 5 Ohm impedance at 100 MHz aligns with target noise frequencies. Consider thermal limits if ambient temperatures approach the upper operational boundary of 125°C.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM18_xN series of EMIFIL ferrite beads. These parts are engineered specifically for suppressing electromagnetic interference in digital circuits. The BLM18BB variant utilizes a specific material composition optimized for broadband noise absorption while maintaining low insertion loss for data signals.

Chip Ferrite Bead FAQ

What is the test frequency for the specified impedance?

The impedance of 5 Ohms is measured at a test frequency of 100 MHz.

Does this component support automotive applications?

Official datasheets do not explicitly list AEC-Q200 certification or automotive qualification for this specific part number.