BLM15PX331SZ1D

Chip Ferrite Bead Overview

The Murata BLM15PX331SZ1D is a single-channel chip ferrite bead in the BLM15_Z series, housed in a 0402 (1005 metric) SMD 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

• AEC-Q200 qualified for automotive power line applications
• High current handling capability up to 1.2 A
• Compact 0402 surface-mount footprint

Chip Ferrite Bead Applications

• Automotive power distribution networks
• DC power line noise suppression
• EMI filtering in compact electronic modules

Chip Ferrite Bead Procurement Notes

Verify the specific suffix codes against official documentation to confirm impedance values and packaging configurations. Ensure the selected variant matches the required AEC-Q200 automotive qualification standards. Cross-reference the manufacturer datasheet for precise mechanical dimensions and soldering recommendations before integration into production designs.

Chip Ferrite Bead Selection Notes

Select this component when high current capacity is required in a minimal 0402 footprint. The 330 Ohm impedance at 100 MHz targets specific noise frequencies in power lines. Verify that the 1.2 A rating exceeds the circuit's peak operating current to prevent saturation or thermal issues during normal operation.

Chip Ferrite Bead Part Context

This part belongs to the BLM15_Z series of power ferrite beads designed for high-current applications. It complements other variants in the BLM15 family by offering specific impedance characteristics suitable for automotive and industrial power systems where space constraints and thermal performance are critical design factors.

Chip Ferrite Bead Replacement Considerations

Consult official substitution lists for equivalent parts with matching impedance and current ratings. Verify package compatibility and electrical parameters before replacing the original component in existing designs.