BMB1J0420BN3JIT

Chip Ferrite Bead Overview

The BMB1J0420BN3JIT is a single-line ferrite bead chip manufactured by TE Connectivity Passive Product. It features a 0603 (1608 metric) surface-mount package with dimensions of 1.60mm x 0.80mm and a maximum height of 0.95mm. The component provides an impedance of 420 Ohms at 100 MHz and has a maximum DC resistance of 500 milliohms. It is rated for a maximum current of 200mA and operates within a temperature range of -55°C to 125°C. This part belongs to the BMB-B series.

Chip Ferrite Bead Feature Summary

• Provides high-frequency noise suppression through significant impedance at 100 MHz
• Designed for compact surface-mount integration in space-constrained circuits
• Constructed for reliable operation across extended industrial temperature ranges

Chip Ferrite Bead Applications

• High-speed digital signal line filtering
• Power supply output noise attenuation
• EMI suppression in portable electronic devices

Chip Ferrite Bead Procurement Notes

Verify component status as this specific part number may be discontinued or obsolete. Confirm availability through authorized distributors or secondary markets if active production has ceased. Ensure compatibility with existing design specifications before procurement, as replacement components may require layout adjustments. Check for RoHS compliance documentation to meet regulatory requirements for modern electronics manufacturing.

Chip Ferrite Bead Selection Notes

Select this component when a 420 Ohm impedance at 100 MHz is required for noise filtering in a 0603 footprint. Consider the 200mA current rating to ensure it meets the circuit's operational limits without saturation. Evaluate the 500 milliohm DC resistance impact on voltage drop in power lines. Compare against alternative ferrite beads from the same series for similar electrical characteristics if this specific impedance value is unavailable.

Chip Ferrite Bead Part Context

This ferrite bead belongs to the BMB-B series from TE Connectivity Passive Product, designed for general-purpose EMI suppression. The series offers various impedance values and current ratings in standard SMD packages. These components are commonly used in consumer electronics, telecommunications, and computer peripherals to maintain signal integrity and reduce electromagnetic interference in dense circuit boards.

Chip Ferrite Bead Replacement Considerations

Public confirmed substitute part numbers: None identified.