BLM21BB471SH1D

Chip Ferrite Bead Overview

The Murata BLM21BB471SH1D is a single-line ferrite bead in the EMIFIL BLM21 series, housed in an 0805 (2012 metric) surface-mount package. It provides an impedance of 470 Ohms at 100 MHz with a maximum DC resistance of 350 milliohms and a rated current of 300 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

• Provides high-frequency noise suppression for signal lines through magnetic loss mechanisms
• Designed for surface-mount assembly on printed circuit boards
• Constructed from unshielded ferrite material for general electronic applications

Chip Ferrite Bead Applications

• General-purpose electronic circuits requiring EMI filtering
• Signal line noise reduction in consumer electronics
• Power supply input/output decoupling

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SH1D against official Murata documentation to confirm packaging type and terminal finish. Ensure the selected variant matches the required impedance tolerance and current rating for the target application. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm authenticity and availability status before procurement.

Chip Ferrite Bead Selection Notes

Select this component when a 0805 footprint is required for space-constrained designs. The 300 mA current rating suits moderate signal loads. Verify that the 470 Ohm impedance at 100 MHz aligns with the target noise frequency spectrum. Confirm compatibility with standard reflow soldering profiles for lead-free assembly processes.

Chip Ferrite Bead Part Context

This ferrite bead belongs to the BLM21 family, which offers various impedance values and current ratings in the 0805 case size. It serves as a passive component for electromagnetic interference suppression in compact electronic devices. The product is manufactured by Murata Electronics, a leading provider of electronic components.

Chip Ferrite Bead FAQ

Is the BLM21BB471SH1D automotive qualified?

No, this specific part number is not listed as AEC-Q200 qualified. Automotive-grade alternatives in the BLM21 series carry different suffixes indicating qualification.

What is the maximum operating temperature?

The maximum operating temperature is +125°C, with a minimum operating temperature of -55°C.