ESD-R-47B

Overview

The KEMET ESD-R-47B is a manganese zinc (MnZn) ferrite bead designed for electromagnetic interference suppression. It features an enclosed toroidal core with an outer diameter of 25.5 mm. The component operates within a temperature range of -25°C to +60°C and is rated for frequencies up to 100 MHz. This passive device provides effective noise attenuation in general application circuits requiring compact EMI filtering solutions.

Feature Summary

• Enclosed ferrite toroidal design for enhanced mechanical protection
• Manganese zinc core material optimized for high-frequency noise suppression
• Compact form factor suitable for space-constrained installations

Applications

• General electronic equipment EMI filtering
• Cable noise suppression
• Power line interference reduction

Procurement Notes

Verify the specific manufacturer part number against official KEMET documentation to ensure compatibility. Confirm that the operating temperature requirements align with the specified -25°C to +60°C range. Check for any RoHS compliance certifications required by your project specifications before finalizing procurement decisions.

Selection Notes

Select this component when a robust, enclosed ferrite solution is needed for general-purpose EMI suppression. Ensure the cable diameter fits within the 25.5 mm outer diameter constraint. Consider the MnZn material properties for frequency ranges up to 100 MHz. Verify thermal limits are sufficient for the intended environment.

Part Context

This component belongs to the KEMET ESD-R series of ferrite beads. These products are engineered for reliable noise reduction in various electronic assemblies. The series offers different core materials and dimensions to suit diverse filtering needs across industrial and consumer electronics sectors.

Replacement Considerations

Consult official KEMET substitution guides for verified alternatives. Ensure any replacement matches the core material, dimensional constraints, and frequency response characteristics.