BLM18HB331SZ1D

Chip Ferrite Bead Overview

The Murata BLM18HB331SZ1D is a single ferrite chip bead in an 0603 (1608 metric) surface-mount package. It provides 330 Ohms impedance at 100 MHz with a 25% tolerance. The component supports a maximum DC current of 1.2 A and has a maximum DC resistance of 80 mOhms. It operates between -55°C and +150°C.

Chip Ferrite Bead Feature Summary

• Provides high-frequency noise suppression through ferrite material characteristics
• Designed for surface-mount integration on printed circuit boards
• Capable of handling significant direct current loads without saturation

Chip Ferrite Bead Applications

• Automotive infotainment systems
• General electronic circuit noise filtering
• Signal line protection in compact devices

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SZ1D to confirm packaging and tape specifications. Ensure the 0603 footprint matches the design layout. Confirm RoHS compliance status if required by project standards. Cross-reference the datasheet for precise impedance curves at operating frequencies.

Chip Ferrite Bead Selection Notes

Select this component when a 0603 footprint is required for space-constrained designs. Choose based on the 1.2 A current rating to prevent thermal issues. Verify that the 330 Ohm impedance value aligns with the target noise frequency spectrum. Consider the +150°C temperature rating for high-heat environments.

Chip Ferrite Bead Part Context

This part belongs to the BLM18 series of ferrite beads from Murata Electronics. The series offers various impedance and current ratings within the 0603 package. It serves as a passive component for electromagnetic interference suppression in modern electronics.

Chip Ferrite Bead Replacement Considerations

Check Murata's BLM18 series for alternative impedances or current ratings. Verify physical dimensions and terminal compatibility before substitution. Ensure equivalent thermal and electrical performance for critical applications.