BLM18SN220TH1D

Chip Ferrite Bead Overview

The BLM18SN220TH1D is a single-type chip ferrite bead from the Murata BLM18 series, designed for surface mount applications. It features a 0603 (1608 metric) package with dimensions of 1.6 mm length, 0.8 mm width, and 0.8 mm height. The component provides an impedance of 22 Ohms at a test frequency of 100 MHz with a tolerance of 25%. It supports a maximum DC current of 5 A and has a maximum DC resistance of 5 mOhms. The operating temperature range spans from -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Provides high-current suppression capability suitable for power line filtering applications
• Offers compact surface mount footprint for dense PCB layouts
• Ensures stable electromagnetic interference attenuation across wide temperature variations

Chip Ferrite Bead Applications

• Power supply noise suppression
• High-speed signal line filtering
• EMI suppression filters

Chip Ferrite Bead Procurement Notes

Verify the specific suffix TH1D against official Murata documentation to confirm tape and reel packaging specifications. Ensure the selected variant matches the required current rating and impedance tolerance for the target circuit design before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when high DC current handling up to 5 A is required in a standard 0603 footprint. Compare the low DC resistance value against other series variants to minimize voltage drop and power loss in sensitive power distribution networks while maintaining effective high-frequency noise attenuation.

Chip Ferrite Bead Part Context

This part belongs to the BLM18 family of ferrite beads manufactured by Murata Electronics. The series is widely used for EMI suppression in portable devices and industrial electronics. The BLM18SN variant specifically addresses applications requiring higher current capacity compared to standard signal-line beads within the same physical package size.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material.