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The KEMET ESD-SR-190938X-R1 is a split-core ferrite component designed for electromagnetic interference (EMI) suppression. It features a round snap-on design with nickel-zinc material properties, suitable for operation up to +85°C. The core has an inner diameter of 9 mm and external dimensions of 20.2 mm by 39 mm by 20 mm. It provides impedance characteristics effective at frequencies up to 500 MHz.
Verify the specific suffix 'X-R1' against official KEMET documentation to confirm exact material grade and dimensional tolerances. Ensure the split-core mechanism matches the target cable diameter of 9 mm. Confirm RoHS compliance status through current manufacturer certificates rather than relying on generic listings.
Select this component when retrofitting EMI protection onto finished cable assemblies is required. The snap-on format eliminates the need to thread cables through solid cores. Verify that the nickel-zinc material aligns with the target frequency range of interest, typically above 10 MHz, and ensure the physical clearance allows for the 39 mm length.
This part belongs to the KEMET ESD-SR series of snap-on ferrite cores. These components are engineered for rapid deployment on wires and cables to mitigate common-mode noise. The series offers various materials and sizes to address different frequency spectra and cable diameters within electronic systems.
Consult KEMET official substitution guides for direct equivalents. Generic ferrite clamps may not match the specific impedance curve or mechanical retention force of the ESD-SR series.