BLM18BB100SN1D

Chip Ferrite Bead Overview

The Murata BLM18BB100SN1D is a single-line ferrite chip bead designed for electromagnetic interference suppression in surface-mount applications. It features a 0603 (1608 metric) package with dimensions of 1.6 mm length, 0.8 mm width, and 0.8 mm height. The component provides an impedance of 10 Ohms at a test frequency of 100 MHz with a tolerance of 25%. It supports a maximum DC current of 700 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

• Provides effective high-frequency noise attenuation for signal lines through ferrite material properties.
• Utilizes a compact 0603 surface-mount footprint suitable for space-constrained printed circuit board layouts.
• Designed for single-channel signal integrity management without affecting low-frequency DC signals.

Chip Ferrite Bead Applications

• EMI suppression filters for digital signal lines
• Noise reduction in high-speed data transmission circuits
• Power supply line filtering for sensitive integrated circuits

Chip Ferrite Bead Procurement Notes

Verify the complete part number including suffixes to ensure correct impedance and tolerance specifications. Confirm RoHS compliance status via official manufacturer documentation prior to integration. Check for specific automotive or industrial qualification requirements if applicable to the target environment. Ensure storage conditions align with manufacturer guidelines to maintain component reliability.

Chip Ferrite Bead Selection Notes

Select this component when a 10 Ohm impedance at 100 MHz is required for noise suppression. Consider the 700 mA current rating to prevent saturation in the target circuit. Evaluate the 0603 package size against available PCB real estate. Compare thermal performance and DC resistance characteristics against alternative ferrite beads in the same series for optimal circuit efficiency.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM18_xN series of ferrite chip beads. The series offers various impedance values within the standard 0603 package format. These components are widely used in consumer electronics and industrial equipment for EMI control. The BLM18BB variant specifically targets general-purpose signal line protection.

Chip Ferrite Bead FAQ

What is the test frequency for the specified impedance value?

The impedance of 10 Ohms is measured at a test frequency of 100 MHz.

Does this component support automotive applications?

Standard datasheets do not explicitly list AEC-Q200 certification for this specific part number; verify application suitability with the manufacturer.