BLM18BD331SH1D

Chip Ferrite Bead Overview

The Murata BLM18BD331SH1D is a single-line ferrite chip bead in a 0603 (1608 metric) SMD package. It provides an impedance of 330 Ohms at a test frequency of 100 MHz with a 25% tolerance. The component supports a maximum DC current of 250 mA and has a maximum DC resistance of 550 mOhms. It operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification.

Chip Ferrite Bead Feature Summary

• Provides high-frequency noise suppression through significant impedance characteristics at 100 MHz.
• Designed for surface-mount integration into compact electronic circuits.
• Qualified for automotive applications under the AEC-Q200 standard.

Chip Ferrite Bead Applications

• Automotive electronics systems requiring EMI suppression
• High-speed digital signal line filtering
• Power supply noise reduction in compact devices

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'H1D' against official Murata documentation to confirm termination style and reel specifications. Ensure the selected component matches the required AEC-Q200 qualification status for automotive deployment. Cross-reference the impedance value at 100 MHz with circuit simulation requirements before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when a 0603 footprint is constrained and 250 mA current handling is sufficient. Compare the 550 mOhms DC resistance against power loss limits in the target circuit. Verify that the 330 Ohm impedance profile effectively attenuates the specific noise frequencies present in the application environment.

Chip Ferrite Bead Part Context

This part belongs to the BLM18 series of ferrite beads manufactured by Murata Electronics. The series offers various impedance values within the 0603 package size, catering to diverse EMI suppression needs in consumer and automotive electronics while maintaining consistent physical dimensions for automated assembly.

Chip Ferrite Bead Replacement Considerations

Check Murata's official substitution guide for equivalent parts with matching 330 Ohm impedance and 0603 dimensions. Confirm that any alternative maintains the same AEC-Q200 qualification and thermal performance ratings.