BLM21BB750SN1D

Chip Ferrite Bead Overview

The Murata BLM21BB750SN1D is a single-line chip ferrite bead in the EMIFIL BLM21 series, housed in an 0805 (2012 metric) surface-mount package. It provides an impedance of 75 Ohms at 100 MHz with a maximum DC resistance of 160 milliohms and a rated current of 700 mA. The component operates within a temperature range of -55°C to +125°C and measures 2.00 mm x 1.25 mm x 1.05 mm.

Chip Ferrite Bead Feature Summary

• Functions as a resistor at noise frequencies to reduce resonance possibilities
• Designed for signal line filtering applications
• Supports high-density mounting via compact 0805 footprint

Chip Ferrite Bead Applications

• Signal line noise suppression
• High-frequency circuit filtering
• Electronic equipment EMI reduction

Chip Ferrite Bead Procurement Notes

Verify the complete part number including suffixes such as SN1D to ensure correct packaging and specifications. Confirm RoHS3 compliance and MSL rating during sourcing. Cross-reference official Murata documentation for accurate electrical parameters before integration into designs.

Chip Ferrite Bead Selection Notes

Select this component when a 75 Ohm impedance at 100 MHz is required for single-line signal paths. Ensure the 700 mA current rating meets circuit demands. The 0805 size suits space-constrained layouts requiring surface-mount technology.

Chip Ferrite Bead Part Context

Part of the Murata EMIFIL BLM21 series, designed for noise suppression in electronic circuits. The BLM series utilizes ferrite materials that behave resistively at high frequencies, effectively damping unwanted signals while maintaining low insertion loss for desired data.

Chip Ferrite Bead FAQ

What is the impedance value at the test frequency?

The impedance is 75 Ohms at 100 MHz.

What is the maximum DC resistance?

The maximum DC resistance is 160 milliohms.