BLA2ABB221SN4D

Chip Ferrite Bead Overview

The BLA2ABB221SN4D is a ferrite bead array manufactured by Murata Electronics, designed for signal line EMI suppression. It features four independent channels within a single 0804 (2010 metric) surface-mount package. The component provides an impedance of 220 Ohms at a test frequency of 100 MHz. It supports a maximum DC current rating of 50 mA and has a maximum DC resistance of 900 milliohms. The device operates reliably within a temperature range of -55°C to +125°C.

Chip Ferrite Bead Feature Summary

• Integrates four independent ferrite bead channels in a compact footprint
• Provides high-impedance noise attenuation for sensitive signal lines
• Supports surface-mount assembly on standard PCB pads

Chip Ferrite Bead Applications

• High-speed digital signal line filtering
• Clock line noise suppression
• Data bus EMI reduction
• Audio line interference mitigation

Chip Ferrite Bead Procurement Notes

Verify the complete part number including the suffix SN4D to ensure correct packaging and tape configuration. Confirm RoHS3 compliance status if required by specific environmental regulations. Cross-reference the manufacturer part number with authorized distributor catalogs to validate authenticity and traceability before procurement.

Chip Ferrite Bead Selection Notes

Select this component when space constraints require multiple filtered lines in a small area. Ensure the circuit current does not exceed the 50 mA limit to prevent saturation. Verify that the 220 Ohm impedance at 100 MHz aligns with the target noise frequency spectrum. Check compatibility with the available 0804 land pattern dimensions.

Chip Ferrite Bead Part Context

This component belongs to the Murata EMIFIL BLA2 series of chip ferrite bead arrays. These devices are engineered for compact electronic designs requiring multi-line noise suppression. The series offers various impedance values and channel counts to suit different signal integrity requirements while maintaining a low profile.

Chip Ferrite Bead Replacement Considerations

BLA2AAG221SN4D is a parameter-equivalent alternative from Murata Electronics.