BLM03PX330SN1D

Chip Ferrite Bead Overview

The Murata BLM03PX330SN1D is a single-line ferrite chip bead in a 0201 (0603 metric) surface-mount package. It provides an impedance of 33 Ohms at a test frequency of 100 MHz with a tolerance of ±25%. The component supports a maximum DC current of 1.5 A and has a maximum DC resistance of 55 mOhms. It operates within a temperature range of -55°C to +125°C, with physical dimensions of 0.6 mm length, 0.3 mm width, and 0.3 mm height.

Chip Ferrite Bead Feature Summary

• Provides electromagnetic interference suppression through high-impedance characteristics at target frequencies.
• Designed for surface-mount assembly on printed circuit boards using standard SMD/SMT processes.
• Constructed as a single-line filter element for compact noise attenuation applications.

Chip Ferrite Bead Applications

• Power line noise filtering
• General EMI suppression circuits
• Automotive infotainment systems

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SN1D against official Murata documentation to confirm packaging details and terminal finish specifications. Ensure the selected variant matches the required impedance tolerance and current rating for the target circuit design before finalizing procurement orders.

Chip Ferrite Bead Selection Notes

Select this component when space constraints require a 0201 footprint for noise suppression. Confirm that the 1.5 A current rating meets the circuit's operational requirements and that the 33 Ohm impedance at 100 MHz aligns with the targeted noise frequency spectrum.

Chip Ferrite Bead Part Context

This part belongs to the EMIFIL BLM03 series of ferrite beads manufactured by Murata Electronics. The series offers various impedance values and current ratings within the same compact 0201 package format, allowing designers to customize noise filtering performance while maintaining consistent board layout dimensions.

Chip Ferrite Bead Replacement Considerations

Cross-reference with other BLM03 series variants or equivalent 0201 ferrite beads from different manufacturers. Verify that substitute parts match the 33 Ohm impedance, 1.5 A current rating, and 0201 physical dimensions to ensure compatibility.

Chip Ferrite Bead FAQ

What is the test frequency for the specified impedance?

The impedance of 33 Ohms is measured at a test frequency of 100 MHz.

Does this component support automotive applications?

Yes, related components in the BLM03 series are documented for use in automotive infotainment systems.