BLM15BD182SN1D

Chip Ferrite Bead Overview

The Murata BLM15BD182SN1D is a single-line chip ferrite bead designed for high-speed signal line noise suppression. It features an impedance of 1.8 kOhms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 100 mA and has a maximum DC resistance of 1.4 Ohms. It operates within a temperature range of -55°C to +125°C. The device utilizes a 0402 (1005 metric) surface-mount package with dimensions of 1 mm length, 0.5 mm width, and 0.5 mm height.

Chip Ferrite Bead Feature Summary

• Provides electromagnetic interference suppression for high-speed signal lines
• Utilizes EMIFIL technology for effective high-frequency noise attenuation
• Designed for compact surface-mount integration in space-constrained circuits

Chip Ferrite Bead Applications

• High-speed signal line noise filtering
• Electromagnetic interference suppression in digital circuits
• Noise reduction in portable electronic devices

Chip Ferrite Bead Procurement Notes

Verify the complete part number including suffixes against official Murata documentation to ensure correct impedance and current ratings. Confirm RoHS compliance status and moisture sensitivity level requirements prior to procurement. Cross-reference datasheet specifications with design constraints to validate thermal and electrical performance suitability for the target application environment.

Chip Ferrite Bead Selection Notes

Select this component when specific high-impedance characteristics are required for noise suppression on sensitive signal traces. Evaluate the 100 mA current rating against circuit load requirements to prevent saturation. Consider the 0402 footprint compatibility with existing PCB layouts and automated assembly processes. Ensure the operating temperature range aligns with the environmental conditions of the final product deployment.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM15_SN series of EMIFIL chip ferrite beads. The series is engineered specifically for suppressing high-frequency noise in high-speed signal applications. The BLM15BD variant represents a specific impedance configuration within this family, optimized for particular signal integrity requirements in modern electronic systems.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for verified alternatives. Ensure any replacement maintains identical impedance values, current ratings, and physical dimensions to preserve circuit functionality and board layout integrity without redesign.