2176745-4

Overview

The TE Connectivity 2176745-4 is an automotive-grade multilayer ferrite chip bead designed for high-current applications. It features a 1204 (3216 metric) surface-mount package with dimensions of 3.2 mm length, 1.6 mm width, and 0.9 mm height. The component provides a nominal impedance of 9 Ohms at a test frequency of 100 MHz, with a tolerance range of 5 to 13 Ohms. It supports a maximum DC current of 4 A and has a maximum DC resistance of 50 mOhms. The device operates within a temperature range of -40°C to +125°C and utilizes flexible SMD/SMT terminations.

Feature Summary

• Automotive-grade multilayer construction for reliable performance in demanding environments
• High current handling capability suitable for power line filtering applications
• Shielded design to minimize electromagnetic interference
• Flexible soft terminations to enhance mechanical durability during soldering

Applications

• Power line filtering in automotive electronic systems
• Electromagnetic interference suppression in high-current circuits
• Signal integrity management in automotive grade multilayer chip bead applications

Procurement Notes

Verify the specific impedance tolerance and DC current ratings against the official datasheet before integration. Confirm that the 1204 package dimensions align with the target PCB footprint. Ensure the operating temperature range meets the environmental requirements of the final assembly. Check for any specific automotive qualification standards required by the end application.

Selection Notes

Select this component when high current capacity is required alongside effective high-frequency noise suppression. The 1204 package offers a balance between current handling and board space efficiency. Consider the 9 Ohm nominal impedance for targeted frequency attenuation. Verify compatibility with automated placement equipment due to the small form factor.

Part Context

This part belongs to the Sigma Inductors BMC-Q series, which focuses on automotive-grade ferrite beads. The series is characterized by multilayer technology and high current capabilities. It serves as a passive component for EMI suppression in modern automotive electronics where reliability under thermal stress is critical.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer's cross-reference tools or official datasheets for verified alternatives.