FB321611T-121Y-S

Chip Ferrite Bead Overview

The FB321611T-121Y-S is a multilayer ferrite chip bead manufactured by Cal-Chip Electronics, Inc. designed for surface mount applications in the 1206 (3216 Metric) package. It provides EMI/RFI attenuation with an impedance of 120 Ohms at 100 MHz. The component features a maximum DC resistance of 0.3 Ohms and supports a current rating of 4A. It operates within a frequency range centered at 100 MHz and has physical dimensions of 3.2 mm length, 1.6 mm width, and 1.1 mm height.

Chip Ferrite Bead Feature Summary

• Multilayer ferrite construction for effective EMI/RFI suppression
• Designed for surface mounting via flow, reflow, or wave soldering
• High electrode strength and solder heat resistance

Chip Ferrite Bead Applications

• Power line filtering in electronic equipment
• EMI suppression on PCBs without additional wiring
• Signal integrity management in compact devices

Chip Ferrite Bead Procurement Notes

Verify the specific manufacturer datasheet for the FB321611T-121Y-S to confirm electrical tolerances and thermal characteristics. Ensure compatibility with surface mount assembly processes such as reflow or wave soldering. Cross-reference part numbers carefully, as suffixes may indicate variations in packaging or performance ratings. Confirm RoHS compliance status if required for your manufacturing standards.

Chip Ferrite Bead Selection Notes

Select this component when high impedance at 100 MHz is required for power lines in a 1206 footprint. Consider the 4A current rating and low DC resistance for efficiency. Evaluate the multilayer ferrite technology for superior solderability and mechanical strength compared to conventional beads. Ensure the application environment supports the specified operating temperature range.

Chip Ferrite Bead Part Context

This ferrite chip belongs to Cal-Chip Electronics' series of EMI suppressors utilizing multilayered magnetic materials. These components are engineered to eliminate EMI/RFI directly on the PCB. The product line emphasizes high impedance volume and robust construction suitable for various surface mount applications across consumer and industrial electronics.

Chip Ferrite Bead Replacement Considerations

Public confirmed substitute part numbers include FBU321611T-121Y-S-H and FBH321611T-121Y-S from Cal-Chip Electronics. Verify that alternative parts match the 120 Ohm impedance at 100 MHz and 1206 package dimensions before substitution.