BLM18KG101TZ1D

Chip Ferrite Bead Overview

The Murata BLM18KG101TZ1D is a single-line chip ferrite bead in the EMIFIL BLM18_Z series, designed for high-current power line noise suppression. It features an unshielded SMD/SMT construction within a 0603 (1608 metric) package measuring 1.6 mm x 0.8 mm x 0.6 mm. The component provides an impedance of 100 Ohms at a test frequency of 100 MHz with a tolerance of 25%. It supports a maximum DC current of 3 A and maintains a maximum DC resistance of 30 mOhms. Rated for operation between -55°C and +125°C, it holds AEC-Q200 qualification for automotive reliability.

Chip Ferrite Bead Feature Summary

• Engineered for high-current power line applications with a 3 A rating
• Provides effective high-frequency noise attenuation at 100 MHz
• Features low DC resistance to minimize power loss and thermal generation
• Qualified for automotive environments under AEC-Q200 standards

Chip Ferrite Bead Applications

• Automotive electronic power supply filtering
• High-current signal line noise suppression
• DC-DC converter output filtering
• General-purpose EMI suppression in industrial equipment

Chip Ferrite Bead Procurement Notes

Verify the suffix TZ1D against the official datasheet to confirm the specific packaging configuration and reel specifications. Ensure the procurement order explicitly references the full part number to distinguish from similar variants within the BLM18KG series that may differ in impedance or current ratings. Confirm RoHS compliance status through the manufacturer's documentation prior to finalizing orders.

Chip Ferrite Bead Selection Notes

Select this component when circuit requirements demand a 100 Ohm impedance at 100 MHz combined with a minimum 3 A current handling capability. The 0603 footprint is suitable for space-constrained PCB layouts requiring surface-mount integration. Designers must account for the 25% impedance tolerance during simulation to ensure adequate noise margin across production variations and temperature extremes.

Chip Ferrite Bead Part Context

This device belongs to the Murata EMIFIL BLM18_Z series of ferrite beads. It is manufactured by Murata Electronics and utilizes a monolithic ceramic structure. The component is distinct from shielded types and is optimized for unshielded power rail applications where high saturation current is critical for maintaining performance under load.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with alternative components by matching impedance curves, current ratings, and physical dimensions.