BLM18AG102WH1D

Chip Ferrite Bead Overview

The Murata BLM18AG102WH1D is a single ferrite chip bead in an EIA 0603 (1608 metric) surface-mount package. It exhibits an impedance of 1 kOhms at a test frequency of 100 MHz with a tolerance of ±25%. The component supports a maximum DC current of 200 mA and has a maximum DC resistance of 700 mOhms. It operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Designed for suppressing high-frequency noise in general signal lines
• Provides signal integrity improvement without requiring a ground connection
• Features nickel barrier electrodes for enhanced soldering heat resistance

Chip Ferrite Bead Applications

• High-frequency noise suppression in electronic circuits
• Improving signal integrity in portable devices
• Electromagnetic interference suppression in consumer electronics

Chip Ferrite Bead Procurement Notes

Verify the specific suffix WH1D against official documentation, as it may indicate distinct material or packaging variations compared to standard SN1D variants. Confirm RoHS compliance status through the manufacturer's datasheet. Ensure the component is sourced from authorized distributors to avoid obsolete stock, as this part number has been flagged for discontinuation by some suppliers.

Chip Ferrite Bead Selection Notes

Select this component for applications requiring 1 kOhm impedance at 100 MHz in compact 0603 footprints. Note that the 200 mA current rating is lower than other BLM18AG variants, necessitating verification against circuit load requirements. Consider alternative series if higher current handling is required for power line filtering.

Chip Ferrite Bead Part Context

This component belongs to the Murata EMIFIL BLM18AG series of multi-layer ferrite beads. These components are engineered for low-impedance lines and offer wideband noise suppression from 30 MHz to several hundred MHz. The series utilizes a monolithic structure to minimize resonance risks and maintain signal waveform fidelity.

Chip Ferrite Bead Replacement Considerations

Public sources indicate scheduled obsolescence for this specific suffix. Verify availability of equivalent parts such as BLM18AG102SN1D, ensuring current ratings and impedance values match application needs before substitution.