BLM18BB050SZ1D

Chip Ferrite Bead Overview

The Murata BLM18BB050SZ1D is a single-line ferrite chip bead in the BLM series, designed for EMI suppression. It features a 0603 (1608 metric) surface-mount package with dimensions of 1.6 mm length, 0.8 mm width, and a maximum height of 0.95 mm. The component provides an impedance of 5 Ohms at a test frequency of 100 MHz. It supports a maximum DC current of 800 mA and has a maximum DC resistance of 50 mOhms. The device operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification.

Chip Ferrite Bead Feature Summary

• AEC-Q200 qualified for automotive reliability standards
• Single-line configuration for signal path noise filtering
• Low DC resistance to minimize power loss in high-current applications

Chip Ferrite Bead Applications

• Automotive electronic circuit noise suppression
• Signal line EMI filtering in vehicle systems
• Power supply input/output decoupling

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'SZ1D' against official Murata documentation to confirm the exact impedance tolerance and packaging type. Ensure the selected variant matches the required AEC-Q200 automotive grade specifications. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm current availability and lead times before finalizing procurement plans.

Chip Ferrite Bead Selection Notes

Select this component when a low-impedance ferrite bead is required for high-current signal lines up to 800 mA. The 0603 footprint allows for compact PCB layouts. Verify that the 5 Ohm impedance at 100 MHz aligns with the target noise frequency spectrum. Confirm that the operating temperature range meets the environmental requirements of the intended application environment.

Chip Ferrite Bead Part Context

This component belongs to the Murata BLM18 series of ferrite beads, which are widely used for electromagnetic interference suppression in electronic circuits. The BLM18BB variant specifically denotes a construction optimized for higher current handling capabilities compared to standard variants. The series is recognized for its consistency in automotive and industrial applications requiring reliable noise reduction.

Chip Ferrite Bead Replacement Considerations

Check for other BLM18BB series parts with identical 5 Ohm impedance and 800 mA rating. Verify pin compatibility and thermal characteristics before substituting.