BLM18KG121WH1D

Chip Ferrite Bead Overview

The Murata BLM18KG121WH1D is a single ferrite chip bead in a 0603 (1608 metric) surface-mount package. It provides an impedance of 120 Ohms at 100 MHz with a tolerance of ±25%. The component supports a maximum DC current of 1.5 A and features a maximum DC resistance of 55 mOhms. It operates within a temperature range of -55°C to +125°C and meets the AEC-Q200 automotive qualification standard.

Chip Ferrite Bead Feature Summary

• Designed for power line electromagnetic interference suppression
• Single-channel noise filtering capability
• Automotive-grade reliability certification

Chip Ferrite Bead Applications

• Power line EMI suppression in electronic circuits
• Automotive electronics noise filtering
• High-frequency signal integrity management

Chip Ferrite Bead Procurement Notes

Verify the specific suffix WH1D against official Murata documentation to confirm exact electrical tolerances and packaging specifications. Ensure the procurement source provides valid traceability data. Confirm that the delivered components match the AEC-Q200 qualification status required for your application environment.

Chip Ferrite Bead Selection Notes

Select this component when a 0603 footprint is required for power line filtering. The 1.5 A current rating suits moderate power applications, while the low DC resistance minimizes voltage drop. Verify that the 120 Ohm impedance at 100 MHz aligns with the target noise frequency spectrum of the circuit design.

Chip Ferrite Bead Part Context

This part belongs to the BLM18KG series of Murata ferrite beads. The series offers various impedance values and current ratings within the same 0603 package. The KG designation typically indicates specific material characteristics optimized for power line applications compared to other series variants.

Chip Ferrite Bead Replacement Considerations

Check for direct substitutes within the BLM18KG series with identical impedance and current ratings. Verify package dimensions and terminal compatibility before replacing.