BLM21HE601SN1L

Chip Ferrite Bead Overview

The Murata BLM21HE601SN1L is a single-line ferrite chip bead in the BLM21H series, housed in an 0805 (2012 metric) surface-mount package. It provides an impedance of 600 Ohms at a test frequency of 100 MHz with a tolerance of 25%. The component supports a maximum DC current of 2.3 Amperes and exhibits a maximum DC resistance of 55 milliohms. Physical dimensions are 2 mm in length, 1.25 mm in width, and 0.85 mm in height. It operates within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Provides high-impedance attenuation for high-frequency noise suppression on signal lines
• Engineered for high-current applications with low DC resistance to minimize power loss
• Designed for compact surface-mount integration in dense circuit layouts

Chip Ferrite Bead Applications

• High-speed digital interface noise filtering
• EMI suppression in portable electronic devices
• Signal line protection in automotive electronics

Chip Ferrite Bead Procurement Notes

Verify the specific suffix against official Murata documentation to confirm exact electrical characteristics and packaging options. 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 availability and authenticity before procurement.

Chip Ferrite Bead Selection Notes

Select this component when a 0805 footprint is required for high-current signal paths needing significant high-frequency attenuation. Compare the 2.3A current rating against peak load requirements to prevent saturation. Evaluate the 600 Ohm impedance profile against the specific noise frequencies present in the circuit to ensure effective filtering performance without affecting desired signal integrity.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM21H series of ferrite beads, which are optimized for high-current applications compared to standard series. The series utilizes specialized ferrite materials to maintain stability under varying thermal conditions. It serves as a passive EMI suppression solution for modern compact electronics requiring robust noise control.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for verified equivalents. Generic ferrite beads may not match the specific high-current handling or impedance curve of the BLM21H series.