1-2176747-1

Overview

The 1-2176747-1 is a single-channel, shielded multilayer ferrite chip bead manufactured by TE Connectivity under the Sigma Inductors brand. Designed for automotive applications, it features an AEC-Q200 rating and utilizes flexible soft terminations within a 0603 (1608 metric) surface-mount package. The component provides an impedance of 70 Ohms at a test frequency of 100 MHz with a tolerance range of 50 to 90 Ohms. It supports a maximum DC current of 2.5 Amperes and maintains a maximum DC resistance of 60 mOhms. The device operates reliably within a temperature range of -40°C to +125°C.

Feature Summary

• Automotive-grade construction certified to AEC-Q200 standards for high reliability in vehicle electronics.
• Shielded multilayer design effectively suppresses electromagnetic interference while minimizing external magnetic field leakage.
• Flexible soft termination technology accommodates board flexing and thermal cycling stresses to prevent mechanical cracking.

Applications

• Power line filtering in automotive electronic control units
• High-current signal integrity protection in vehicle networks
• Electromagnetic interference suppression in automotive power distribution systems

Procurement Notes

Verify the specific impedance tolerance band required for your circuit design, as this series offers multiple variants. Confirm that the 0603 footprint aligns with your PCB layout constraints. Ensure the 2.5A current rating meets the peak load requirements of your application. Check for RoHS compliance documentation if environmental regulations apply to your manufacturing region.

Selection Notes

Select this component when automotive qualification and high current handling are prioritized over ultra-low inductance. The 0603 size offers a balance between physical footprint and current capacity compared to smaller packages. Consider the 60mOhm DCR impact on voltage drop in low-voltage power rails. The shielded nature makes it suitable for dense layouts where crosstalk must be minimized.

Part Context

This part belongs to the Sigma Inductors BMC-Q series, which focuses on robust ferrite solutions for demanding environments. The series is characterized by its ability to handle significant DC bias currents while maintaining effective noise suppression. It represents TE Connectivity's commitment to providing reliable passive components for the automotive sector.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source material. Verify compatibility with alternative ferrite beads by matching impedance curves, current ratings, and package dimensions before substitution.

FAQ

What is the test frequency for the specified impedance?

The impedance of 70 Ohms is measured at a test frequency of 100 MHz.

Does this component meet automotive reliability standards?

Yes, the 1-2176747-1 is rated according to the AEC-Q200 standard for passive components in automotive applications.

What type of terminations does this ferrite bead use?

It uses flexible soft terminations designed to withstand mechanical stress and thermal expansion.