ESD-R-47-1

Overview

The KEMET ESD-R-47-1 is a manganese-zinc (Mn-Zn) ferrite toroid designed for electromagnetic interference suppression. It features an outer diameter of 50 mm, an inner diameter of 23 mm, and an external length of 18 mm. The component operates within a temperature range of -25°C to +85°C and supports frequencies up to 10 MHz.

Feature Summary

• Utilizes manganese-zinc ferrite material for effective high-frequency noise attenuation
• Provides robust structural integrity through a molded ring geometry
• Engineered for reliable performance in demanding thermal environments

Applications

• Electromagnetic interference suppression circuits
• Common mode choke applications
• Power supply line filtering

Procurement Notes

Verify the specific Mn-Zn composition grade against application requirements. Confirm dimensional tolerances match PCB or chassis constraints. Ensure operating temperatures remain within the specified -25°C to +85°C range. Validate frequency response characteristics for target noise profiles. Check for RoHS compliance documentation if required by regional regulations.

Selection Notes

Select this toroid based on required magnetic permeability and saturation characteristics. Consider the physical dimensions for available mounting space. Evaluate the core material properties against expected current levels. Ensure the frequency range aligns with the interference spectrum. Verify compatibility with winding wire insulation types.

Part Context

This component belongs to the ESD-R series of ferrite rings manufactured by KEMET. These parts are standard passive components used for noise reduction in electronic assemblies. The series offers various sizes to accommodate different cable diameters and inductance needs.

Replacement Considerations

Consult official KEMET substitution guides for verified equivalents. Cross-reference dimensions and material grades carefully. Generic substitutes may lack identical magnetic properties.