BLM15PX331SH1D

Chip Ferrite Bead Overview

The Murata BLM15PX331SH1D is a single-element chip ferrite bead in the EMIFIL BLM15PX series, housed in a 0402 (1005 metric) surface-mount package. It provides an impedance of 330 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. The component supports a maximum DC current of 1.2 A and exhibits a maximum DC resistance of 150 mOhms. It operates within a temperature range of -55°C to +125°C and holds AEC-Q200 qualification for automotive reliability.

Chip Ferrite Bead Feature Summary

• Provides high-impedance noise suppression for power and signal lines
• Automotive-grade reliability certified under AEC-Q200 standards
• Compact 0402 footprint designed for dense surface-mount layouts

Chip Ferrite Bead Applications

• Noise filtering on DC power lines in automotive electronics
• Signal line protection in compact mobile devices
• EMI suppression in space-constrained consumer hardware

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SH1D against official Murata documentation to confirm packaging and tape-and-reel specifications. Ensure the selected variant matches the required impedance and current ratings for the target circuit design. Cross-reference the manufacturer part number with authorized distributor catalogs to confirm authenticity and active status before procurement.

Chip Ferrite Bead Selection Notes

Select this component when a 0402 ferrite bead with 330 Ohm impedance is required for high-current applications up to 1.2 A. The low DC resistance minimizes voltage drop in power paths. Verify that the operating temperature range meets environmental requirements and that the AEC-Q200 certification aligns with automotive or high-reliability system standards.

Chip Ferrite Bead Part Context

This component belongs to the Murata EMIFIL BLM15PX series, which offers shielded ferrite beads optimized for high-current power line applications. The series is engineered to suppress electromagnetic interference while maintaining low insertion loss in DC circuits. The BLM15PX variants are specifically designed for automotive and industrial environments requiring robust noise suppression in small form factors.

Chip Ferrite Bead Replacement Considerations

The BLM15PX331SZ1D shares identical electrical parameters including 330 Ohm impedance and 1.2A rating but may differ in packaging or shielding configuration. Verify functional equivalence through official datasheets before substitution.