BLM21PG220BH1D

Chip Ferrite Bead Overview

The Murata BLM21PG220BH1D is a single-line ferrite chip bead in an 0805 (2012 metric) surface-mount package. It provides 22 ohms impedance at 100 MHz with a 25% tolerance. The component supports a maximum DC current of 3.3 A and has a maximum DC resistance of 9 milliohms. It operates within a temperature range of -55°C to +125°C, measuring 2 mm in length and 1.25 mm in width.

Chip Ferrite Bead Feature Summary

• Designed for high-current power line noise suppression
• Provides effective electromagnetic interference filtering
• Compatible with standard surface-mount assembly processes

Chip Ferrite Bead Applications

• Power supply circuits
• EMI suppression filters
• Automotive electronics

Chip Ferrite Bead Procurement Notes

Verify the suffix BH1D against official Murata documentation to confirm specific packaging or material variations. Ensure the selected variant matches the required 3.3 A current rating and 22-ohm impedance specifications for the target application circuit design.

Chip Ferrite Bead Selection Notes

Select this component when high current handling is required alongside EMI suppression in compact designs. The 0805 footprint allows for dense PCB layouts while maintaining low DC resistance. Verify thermal performance under continuous load conditions to ensure reliability within the specified operating temperature range.

Chip Ferrite Bead Part Context

This part belongs to the BLM21PG series, which focuses on high-current capabilities for power lines. It shares the standard 0805 dimensions with other variants but differs in impedance and current ratings. The series is widely used in automotive and industrial applications requiring robust noise filtering.

Chip Ferrite Bead Replacement Considerations

Check equivalent parts like BLM21PG220SH1D for identical electrical characteristics. Confirm package compatibility and current ratings before substitution.