74278031

Overview

The Würth Elektronik 74278031 is a flat ferrite core designed for flexible printed circuit boards and ribbon cables. It provides electromagnetic interference suppression with an impedance of 80 Ω at 100 MHz. The component features a compact form factor suitable for tight spaces, constructed from ferrite material to effectively attenuate high-frequency noise on digital signal lines.

Feature Summary

• Engineered specifically for use with flexible printed circuit boards and flat ribbon cables.
• Provides effective electromagnetic interference suppression in digital equipment applications.

Applications

• Flexible Printed Circuit Boards
• Flat Ribbon Cables
• Digital Equipment

Procurement Notes

Verify the specific impedance value against official datasheets, as distributor listings may vary between 74 Ω and 80 Ω at 100 MHz. Confirm physical dimensions match the target PCB or cable assembly constraints. Ensure compliance with required environmental standards such as RoHS before finalizing procurement orders.

Selection Notes

Select this component when space constraints require a low-profile EMI solution for flat cabling. The 80 Ω impedance rating targets common noise frequencies in digital systems. Consider the internal width compatibility with the specific ribbon cable thickness being suppressed.

Part Context

This part belongs to the WE-FLAT series of ferrite cores manufactured by Würth Elektronik. These components are specialized passive elements intended for noise reduction in compact electronic assemblies where standard toroidal cores cannot fit due to spatial limitations.

Replacement Considerations

Cross-reference with other WE-FLAT series parts for similar impedance profiles. Verify that any substitute maintains the same internal width and material composition to ensure equivalent noise suppression performance in the original application.