BLM18PG330SH1D

Chip Ferrite Bead Overview

The Murata BLM18PG330SH1D is a single ferrite bead in the EMIFIL BLM18P series, housed in a 0603 (1608 metric) surface-mount package. It exhibits an impedance of 33 Ω at 100 MHz and supports a rated DC current of 3 A. The component features a maximum DC resistance of 25 mΩ and operates within a temperature range of -55°C to +125°C. Physical dimensions are 1.6 mm in length, 0.8 mm in width, and 0.8 mm in height. It is certified under AEC-Q200 standards.

Chip Ferrite Bead Feature Summary

• Provides high-current noise suppression capabilities for power lines
• Constructed with unshielded ferrite material for EMI/RFI attenuation
• Complies with automotive reliability qualification standards

Chip Ferrite Bead Applications

• Power supply line filtering
• EMI suppression filters
• Automotive electronic circuits

Chip Ferrite Bead Procurement Notes

Verify the specific suffix 'SH1D' against official Murata documentation to confirm exact packaging and tape specifications. Ensure the selected variant matches the required AEC-Q200 certification status for automotive applications. Cross-reference the impedance tolerance and DC resistance values with the latest datasheet to guarantee compatibility with circuit design constraints.

Chip Ferrite Bead Selection Notes

Select this component when high current handling up to 3 A is required in a compact 0603 footprint. The low DC resistance minimizes voltage drop in power paths. Verify that the 33 Ω impedance at 100 MHz aligns with the target noise frequency spectrum. Confirm thermal management requirements given the operating temperature range and self-heating effects under load.

Chip Ferrite Bead Part Context

This part belongs to the Murata EMIFIL BLM18P series of chip ferrite beads. The series is designed for general-purpose noise suppression in electronic equipment. The BLM18P designation indicates a specific construction optimized for higher current ratings compared to standard signal-line ferrites. The product line supports various impedance values within the same physical envelope.

Chip Ferrite Bead Replacement Considerations

Direct substitutes include BLM18PG330SN1D and BLM18PG330SZ1D from the same manufacturer. These alternatives share identical electrical characteristics but may differ in packaging format or reel quantity. Verify mechanical compatibility and soldering profile before substitution.