BLM18BD182SZ1D

Chip Ferrite Bead Overview

The BLM18BD182SZ1D is a single-line ferrite bead from the EMIFIL BLM18BD series, manufactured by Murata Electronics. It features a 0603 (1608 metric) surface-mount package with dimensions of 1.6 mm length, 0.8 mm width, and 0.6 mm height. The component provides an impedance of 1.8 kOhms at a test frequency of 100 MHz with a tolerance of ±25%. It supports a maximum DC current of 150 mA and has a maximum DC resistance of 1.5 ohms. The device operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification.

Chip Ferrite Bead Feature Summary

• Provides electromagnetic interference suppression for high-speed signal lines
• Designed for compact surface-mount applications in space-constrained circuits
• Qualified for automotive reliability standards under AEC-Q200

Chip Ferrite Bead Applications

• High-speed data line noise filtering
• Power supply input filtering for sensitive ICs
• Automotive electronic circuit protection

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'SZ1D' against official Murata documentation to confirm packaging configuration and compliance status. 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 validate authenticity and traceability before procurement.

Chip Ferrite Bead Selection Notes

Select this component when a 0603 footprint is required for EMI suppression on single-line signals. The 1.8 kOhm impedance at 100 MHz suits high-frequency noise attenuation. Verify that the 150 mA current rating exceeds the maximum operating current of the protected circuit to prevent saturation or excessive heating during normal operation.

Chip Ferrite Bead Part Context

This component belongs to the Murata EMIFIL BLM18BD series, which specializes in ferrite beads for digital signal integrity. The series offers various impedance values within the standard 0603 package size. These components are engineered to suppress electromagnetic interference without significantly affecting the desired signal transmission characteristics.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for compatible alternatives. Verify that any substitute maintains the same 0603 footprint, 1.8 kOhm impedance at 100 MHz, and 150 mA current handling capability.