BLM03HG122SN1D

Chip Ferrite Bead Overview

The Murata BLM03HG122SN1D is a single-line ferrite bead in the EMIFIL BLM03H series, housed in a 0201 (0603 metric) surface-mount package. It provides an impedance of 1200 Ohms at 100 MHz with a tolerance of ±25%. The component supports a maximum DC current of 100 mA and features a maximum DC resistance of 3.5 Ohms. It operates within a temperature range of -55°C to +125°C and has physical dimensions of 0.6 mm length, 0.3 mm width, and 0.3 mm height.

Chip Ferrite Bead Feature Summary

• Horizontal winding inner coil structure enables low storage capacitance for high noise suppression performance up to 1 GHz frequency range.

Chip Ferrite Bead Applications

• Signal line noise filtering
• General purpose EMI suppression

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SN1D against official Murata documentation to confirm packaging configuration and tape-and-reel specifications. Ensure the selected variant matches the required impedance tolerance and current rating for the target circuit design before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when space constraints require a 0201 footprint and the application demands significant attenuation at 100 MHz. Verify that the 100 mA current rating aligns with the signal line load to prevent saturation or excessive thermal rise during operation.

Chip Ferrite Bead Part Context

This part belongs to the Murata EMIFIL BLM03H series of chip ferrite beads. The series utilizes horizontal winding technology to minimize parasitic capacitance, distinguishing it from standard vertical winding designs. It is designed for compact electronic devices requiring effective high-frequency noise suppression.

Chip Ferrite Bead Replacement Considerations

Check for BLM03HG122SZ1D regarding potential packaging differences. Verify electrical equivalence with other BLM03HG variants if impedance or current ratings differ slightly.