BK32164M121-T

Chip Ferrite Bead Overview

The BK32164M121-T is a multilayer chip bead array inductor from the Taiyo Yuden BK series. It features four independent lines housed in a 1206 (3216 metric) surface-mount package with eight PCB pads. The component provides an impedance of 120 Ohms at 100 MHz and supports a maximum DC current of 150 mA. Its maximum DC resistance is 200 milliohms, with a tolerance of 25 percent. The device operates within a temperature range of -55°C to +125°C and measures 3.20 mm in length, 1.60 mm in width, and 0.90 mm in height.

Chip Ferrite Bead Feature Summary

• Integrates four independent ferrite bead channels into a single compact surface-mount footprint for space-constrained designs.
• Provides high-impedance noise suppression across multiple signal lines simultaneously to maintain signal integrity.
• Constructed using multilayer ceramic technology to ensure mechanical stability and reliable performance under thermal stress.

Chip Ferrite Bead Applications

• Noise suppression on data bus lines in portable electronic devices
• EMI filtering for clock signals in embedded systems
• Signal conditioning in automotive infotainment modules

Chip Ferrite Bead Procurement Notes

Verify component authenticity through authorized distributors or direct manufacturer channels. Confirm RoHS3 compliance status and check for Product Change Notifications regarding manufacturing updates. Ensure storage conditions adhere to moisture sensitivity level requirements before reflow soldering to prevent package damage.

Chip Ferrite Bead Selection Notes

Select this component when multi-line noise attenuation is required in a minimal board area. Compare impedance characteristics against target frequency spectra to ensure effective filtering. Evaluate current ratings against peak operational loads to prevent saturation. Consider pin count compatibility with existing footprints during layout design.

Chip Ferrite Bead Part Context

This part belongs to the BK Array series of multilayer chip bead inductors designed for high-density circuit boards. The series offers various configurations for different line counts and impedance values. These components are engineered to suppress electromagnetic interference in digital circuits while maintaining low insertion loss for desired signals.

Chip Ferrite Bead Replacement Considerations

The BLA31AG121SN4D by Murata Electronics is documented as a direct substitute. Verify electrical equivalence and physical dimensions before implementation.

Chip Ferrite Bead FAQ

What is the impedance value of the BK32164M121-T at its test frequency?

The impedance is 120 Ohms at 100 MHz.

How many independent lines does this ferrite bead array contain?

It contains four independent lines.