BLM03AX800SZ1D

Chip Ferrite Bead Overview

The Murata BLM03AX800SZ1D is a single-line ferrite bead in the EMIFIL BLM03 series, housed in a compact 0201 (0603 metric) surface-mount package. It provides an impedance of 80 Ohms at 100 MHz with a maximum DC current rating of 500 mA and a tolerance of 25%. The component features a low maximum DC resistance of 180 mOhms and operates within a temperature range of -55°C to +125°C. Physical dimensions are 0.6 mm in length, 0.3 mm in width, and 0.3 mm in height. It meets AEC-Q200 automotive qualification standards.

Chip Ferrite Bead Feature Summary

• Provides effective electromagnetic interference suppression through high-impedance characteristics at target frequencies.
• Designed for space-constrained applications utilizing a miniature 0201 surface-mount footprint.
• Capable of handling continuous DC currents up to 500 mA without saturation.
• Qualified for automotive electronic environments under AEC-Q200 reliability standards.

Chip Ferrite Bead Applications

• Noise filtering in automotive infotainment and control systems
• Signal integrity protection in portable consumer electronics
• Power line filtering for high-density circuit boards

Chip Ferrite Bead Procurement Notes

Verify the specific suffix against official Murata documentation to confirm impedance and current ratings, as variations exist within the BLM03AX family. Confirm RoHS3 compliance status directly from the manufacturer datasheet prior to integration. Ensure packaging preferences align with available cut tape or reel options specified in the product release notes.

Chip Ferrite Bead Selection Notes

Select this component when a 0201 footprint is required for noise suppression with a 500 mA current capacity. The 80 Ohm impedance value targets specific frequency ranges; verify simulation results using SimSurfing tools. Consider the low DC resistance to minimize voltage drop in power distribution networks while maintaining effective EMI attenuation capabilities.

Chip Ferrite Bead Part Context

This part belongs to the Murata EMIFIL BLM03 series, which offers various impedance values in a standardized 0201 package. The series is widely used for suppressing high-frequency noise in digital and analog circuits. The BLM03AX variant specifically denotes axial symmetry and is often selected for its balance between size, current handling, and filtering performance in modern miniaturized electronics.

Chip Ferrite Bead Replacement Considerations

Consult official Murata substitution guides for equivalent parts within the BLM03 series. Verify that alternative components match the 0201 footprint, 500 mA rating, and 80 Ohm impedance specifications to ensure circuit compatibility.