BLM21BD222TH1D

Chip Ferrite Bead Overview

The Murata BLM21BD222TH1D is a single-line chip ferrite bead in the 0805 (2012 metric) surface-mount package. It provides an impedance of 2.2 kOhms at 100 MHz with a maximum DC resistance of 600 mOhms and a rated current of 200 mA. The component operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Functions as a resistor at noise frequencies to reduce resonance possibilities
• Maintains undistorted signal waveforms during operation
• Designed for high-frequency EMI suppression applications

Chip Ferrite Bead Applications

• High-speed signal line filtering
• EMI suppression filters
• Audio line noise filtering

Chip Ferrite Bead Procurement Notes

Verify the specific suffix TH1D against official Murata documentation to confirm tape-and-reel packaging details. 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 for circuits requiring significant attenuation of high-frequency noise while maintaining low DC voltage drop. The 0805 footprint offers a balance between current handling capability and board space efficiency for general-purpose signal integrity management.

Chip Ferrite Bead Part Context

This part belongs to the BLM21BD series, which utilizes specialized materials to achieve high impedance characteristics. The series is engineered to provide effective noise suppression without introducing excessive signal distortion or resonance issues common in other filter types.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for compatible alternatives. Verify that any substitute maintains identical impedance curves, current ratings, and physical dimensions to ensure seamless integration into existing PCB layouts.