BLM18BD252BH1D

Chip Ferrite Bead Overview

The Murata BLM18BD252BH1D is a surface-mount ferrite bead from the EMIFIL BLM18BD series, designed for high-frequency noise suppression. It features an impedance of 2.5 kOhms at 100 MHz with a tolerance of ±25%. The component supports a maximum DC current rating of 150 mA and exhibits a maximum DC resistance of 1.5 Ohms. Housed in a standard 0603 (1608 metric) package measuring 1.6 mm in length, 0.8 mm in width, and 0.8 mm in height, it operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Provides effective attenuation of electromagnetic interference in high-frequency signal lines and power traces
• Utilizes specialized ferrite material optimized for broadband noise suppression characteristics
• Designed for reliable performance in compact surface-mount applications requiring strict size constraints

Chip Ferrite Bead Applications

• High-frequency line noise suppression
• Power trace filtering
• EMI suppression filters

Chip Ferrite Bead Procurement Notes

Verify the specific suffix BH1D against official Murata documentation to confirm terminal configuration and tape/reel specifications. Ensure compatibility with automated placement equipment regarding the 0603 footprint dimensions. Cross-reference the 150 mA current rating and 1.5 Ohm DC resistance against circuit requirements to prevent saturation or excessive voltage drop during operation.

Chip Ferrite Bead Selection Notes

Select this component when high impedance values are required for noise filtering in space-constrained designs. The 0603 package allows for dense PCB layouts while maintaining robust thermal stability across the specified industrial temperature range. Consider the 150 mA current limit when designing power delivery networks to ensure the ferrite bead does not introduce unacceptable losses or fail under peak load conditions.

Chip Ferrite Bead Part Context

This part belongs to the Murata EMIFIL BLM18BD series, which focuses on high-impedance noise suppression solutions. The series utilizes advanced ferrite materials to achieve superior attenuation performance compared to standard general-purpose beads. The BLM18BD variants are engineered specifically for applications demanding significant noise reduction in both signal integrity and power distribution paths within modern electronic devices.

Chip Ferrite Bead Replacement Considerations

• BLM18BD252SN1D