BLA2AAG121SN4D

Chip Ferrite Bead Overview

The BLA2AAG121SN4D is a ferrite chip bead array manufactured by Murata Electronics, designed for surface-mount technology in the 0804 (2010 metric) package. It features four independent signal lines with an impedance of 120 Ohms at a test frequency of 100 MHz. The component supports a maximum DC current of 100 mA and has a maximum DC resistance of 500 mOhms. Operating temperatures range from -55°C to +125°C. The physical dimensions are 2.00 mm in length, 1.00 mm in width, and a maximum height of 0.60 mm.

Chip Ferrite Bead Feature Summary

• Provides multi-line noise suppression through four independent channels within a compact footprint
• Designed for high-frequency signal integrity management in dense circuit layouts
• Compliant with RoHS3 standards and REACH regulations for environmental safety

Chip Ferrite Bead Applications

• Audio line noise filtering
• High-speed data bus protection
• Portable electronic device signal conditioning

Chip Ferrite Bead Procurement Notes

Verify the specific suffix SN4D against the official Murata datasheet to confirm packaging type and tape specifications. Ensure the procurement channel provides valid traceability documentation. Cross-reference the manufacturer part number with authorized distributor databases to prevent counterfeit components. Confirm that the received goods match the electrical parameters defined in the public specification sheet before integration into production workflows.

Chip Ferrite Bead Selection Notes

Select this component when four-channel noise filtering is required in space-constrained designs utilizing the 0804 package. The 120 Ohm impedance rating suits applications targeting specific high-frequency interference profiles. Consider the 100 mA current rating to ensure adequate headroom for the target signal lines without excessive saturation or thermal issues during operation.

Chip Ferrite Bead Part Context

This component belongs to the Murata EMIFIL BLA2 series, which specializes in ferrite bead arrays for suppressing electromagnetic interference in digital and analog circuits. The BLA2 series offers various impedance values and line configurations to address diverse noise mitigation requirements across consumer electronics and industrial equipment sectors.

Chip Ferrite Bead Replacement Considerations

BLA2AAG221SN4D serves as a parameter-equivalent substitute within the same series, offering identical physical dimensions and pinout but with a different impedance value.