BLM18KG300WH1D

Chip Ferrite Bead Overview

The Murata BLM18KG300WH1D is a single-line ferrite chip bead in a 0603 (1.6mm x 0.8mm) surface-mount package. It provides an impedance of 30 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. The component supports a maximum DC current of 1.85 A and features a maximum DC resistance of 35 mOhms. It operates within a temperature range of -55°C to +150°C and meets RoHS3 standards.

Chip Ferrite Bead Feature Summary

• Designed for power line noise filtering applications
• High current handling capability suitable for power circuits
• Automotive grade qualification under AEC-Q200 standard

Chip Ferrite Bead Applications

• Power supply input filtering
• DC-DC converter output noise suppression
• General electronic circuit EMI suppression

Chip Ferrite Bead Procurement Notes

Verify the specific suffix WH1D against official datasheets, as ordering suffixes define physical dimensions and termination materials. Confirm availability status, as this part may be subject to obsolescence notices. Ensure compatibility with automated pick-and-place equipment regarding the 0603 footprint and height specifications.

Chip Ferrite Bead Selection Notes

Select this component when a low-profile 0603 ferrite bead is required for high-current power lines. The 30 Ohm impedance at 100 MHz targets specific noise frequencies. Compare the 1.85 A rating against circuit load requirements. Consider the extended +150°C operating temperature for high-thermal environments compared to standard industrial grades.

Chip Ferrite Bead Part Context

This part belongs to the Murata BLM18KG series, which focuses on high-current performance in compact packages. The series utilizes specialized ferrite materials to balance impedance characteristics with saturation current limits. It serves as a passive component for electromagnetic interference suppression in modern miniaturized electronics.

Chip Ferrite Bead Replacement Considerations

Check for direct substitutes within the BLM18KG series with identical impedance and current ratings. Verify that any replacement maintains the same 0603 footprint and AEC-Q200 qualification if automotive reliability is required.