7427143

Overview

The Würth Elektronik 7427143 is a snap-on ferrite core from the STAR-TEC series, designed for EMI suppression on cables. It features a square shape with an internal diameter of 8.2 mm and external dimensions of 19.5 x 21 x 25.5 mm. The core utilizes 4 W 620 material and provides an impedance of 106 Ohms at 25 MHz. It operates within a temperature range of -25°C to +105°C and weighs approximately 3.0 grams.

Feature Summary

• Snap-on design allows for easy installation on existing cables without disconnection.
• Utilizes 4 W 620 ferrite material for effective high-frequency noise attenuation.
• Hinged plastic case ensures secure closure around the cable.

Applications

• EMI suppression on single power or signal cables
• Noise reduction in automotive wiring harnesses
• Electronics equipment cable protection

Procurement Notes

Verify the specific part number 7427143 against official Wurth Elektronik documentation to confirm material grade and impedance characteristics. Ensure compatibility with the target cable diameter of 8.2 mm before procurement. Cross-reference datasheets for environmental ratings and mechanical durability requirements.

Selection Notes

Select this component when a non-invasive solution for cable noise suppression is required. The snap-on mechanism facilitates rapid assembly compared to split-core alternatives that may require tools. Consider the 106 Ohm impedance profile for the specific frequency range of interference present in the application environment.

Part Context

This component belongs to the Würth Elektronik STAR-TEC series of openable ferrite sleeves. These accessories are engineered for flexible integration into various electronic systems where pre-installed cabling requires immediate noise mitigation. The series offers standardized dimensions for consistent performance across different cable sizes.

Replacement Considerations

No public confirmed substitute part numbers are available in the provided data.