BLM21BD152SH1D

Chip Ferrite Bead Overview

The Murata BLM21BD152SH1D is a single-line ferrite bead chip in an 0805 (2012 metric) surface-mount package. It provides an impedance of 1.5 kOhms at 100 MHz with a maximum DC resistance of 450 milliohms and a rated current of 250 mA. The component operates within a temperature range of -55°C to +125°C, measures 2.00 mm x 1.25 mm x 1.05 mm, and complies with RoHS3 standards.

Chip Ferrite Bead Feature Summary

• High impedance characteristics for effective high-speed signal noise suppression
• Compact 0805 footprint suitable for space-constrained printed circuit board layouts
• Robust thermal stability across extended industrial operating temperatures

Chip Ferrite Bead Applications

• Noise filtering on high-speed digital signal lines
• Electromagnetic interference suppression in portable electronic devices
• Signal integrity management in consumer electronics circuits

Chip Ferrite Bead Procurement Notes

Verify the complete part number including suffixes to ensure correct impedance and packaging specifications. Confirm RoHS3 compliance status for environmental regulations. Check moisture sensitivity level requirements during storage and handling. Validate that the selected variant matches the specific design impedance needs at the target frequency.

Chip Ferrite Bead Selection Notes

Select this component when high attenuation is required for single-line signals in compact designs. Ensure the 250 mA current rating exceeds the maximum expected signal line current to prevent saturation. Verify that the 0805 package dimensions fit the available PCB real estate. Consider the 450 milliohm DC resistance impact on signal voltage levels.

Chip Ferrite Bead Part Context

This component belongs to the Murata EMIFIL BLM21 series of ferrite beads. The series offers various impedance values and current ratings in standard packages. The BLM21BD152SH1D specifically targets high-impedance applications requiring significant noise reduction in small form factors.

Chip Ferrite Bead Replacement Considerations

Direct substitutes include BLM21BD152SN1D and BLM21BD152SZ1 from the same manufacturer family. Verify identical impedance, current rating, and package dimensions before substitution.