BLM18AG121SZ1D

Chip Ferrite Bead Overview

Murata BLM18AG121SZ1D is a single-line chip ferrite bead in the EMIFIL BLM18_Z series. It provides 120 Ohms impedance at 100 MHz with ±25% tolerance. The component operates within a -55°C to +125°C range and supports up to 800 mA DC current. Its 0603 (1.6 x 0.8 mm) SMD package features a maximum DCR of 180 mOhm and a height of 0.6 mm. Certified AEC-Q200, it targets consumer electronics applications.

Chip Ferrite Bead Feature Summary

• Provides high-frequency noise suppression through ferrite material absorption
• Supports surface-mount assembly for automated production lines
• Maintains stable electrical characteristics across extended temperature ranges

Chip Ferrite Bead Applications

• Consumer electronic circuit noise filtering
• Signal line EMI suppression
• Power supply output filtering

Chip Ferrite Bead Procurement Notes

Verify the suffix 'Z1D' against official Murata documentation to confirm specific packaging or tape-and-reel specifications. Ensure the selected variant matches the required 0.6 mm height constraint. Cross-reference the AEC-Q200 qualification status if automotive reliability is mandatory. Confirm RoHS compliance details directly from the manufacturer datasheet before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when a 0603 footprint is required for space-constrained designs. Choose based on the 120 Ohm impedance value at 100 MHz for targeted frequency attenuation. Verify that the 800 mA current rating exceeds the application's maximum DC load. Consider the 180 mOhm DCR impact on voltage drop in low-voltage power rails.

Chip Ferrite Bead Part Context

The BLM18AG121SZ1D belongs to Murata's BLM18 family of chip ferrite beads. This series offers various impedance values in a standardized 0603 package. The Z-series suffix typically denotes specific packaging configurations within the broader product line. These components are widely used for suppressing electromagnetic interference in compact electronic devices.

Chip Ferrite Bead Replacement Considerations

BLM18AG121SN1D shares identical electrical parameters but may differ in packaging suffix.