BLM15BX471SN1D

Chip Ferrite Bead Overview

The Murata BLM15BX471SN1D is a surface-mount ferrite chip bead in the BLM15_SN series. It features a 0402 (1005 metric) package with dimensions of 1.0mm length and 0.5mm width. The component provides an impedance of 470 ohms at 100 MHz with a tolerance of 25%. It supports a maximum DC current of 350 mA and has a maximum DC resistance of 410 milliohms. The operating temperature range spans from -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Provides high impedance for effective noise suppression in signal lines
• Monolithic construction ensures reliability in compact designs
• Compliant with RoHS standards for environmental safety

Chip Ferrite Bead Applications

• EMI suppression filters
• High-speed signal line filtering
• Digital interface noise reduction

Chip Ferrite Bead Procurement Notes

Verify the specific suffix against official Murata documentation, as variations within the BLM15 family may indicate differences in material composition or performance characteristics. Confirm that the 350 mA rating aligns with your circuit requirements, noting that similar part numbers like BLM15BD may have different current ratings. Ensure the 0402 footprint matches your PCB layout constraints before finalizing procurement.

Chip Ferrite Bead Selection Notes

Select this component when space is limited due to its 0402 footprint. Choose based on the required 470-ohm impedance at 100 MHz for target frequency attenuation. Compare the 350 mA current rating against other variants like the BLM15BD (200 mA) to ensure adequate headroom for your application's DC load without saturation.

Chip Ferrite Bead Part Context

This component belongs to the Murata EMIFIL BLM15 series of ferrite beads. These are designed for general-purpose noise suppression in portable electronic devices. The series offers various impedance values and current ratings across different package sizes, allowing designers to optimize board space while meeting EMI requirements.

Chip Ferrite Bead Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Designers should consult official Murata resources for cross-referencing compatible components.