ESD-SR-150G

Overview

The KEMET ESD-SR-150G is a snap-on ferrite core designed for round cables, belonging to the ESD-SR Snap-on Cores series. It features a nickel-zinc (Ni-Zn) material composition and a single-opening design with a 7 mm inner diameter. The component measures 19.6 mm in width, 20.3 mm in height, and 37.4 mm in length. It provides an impedance of 180 Ω at 25 MHz and 350 Ω at 100 MHz. The device operates within a temperature range of -25°C to +65°C and complies with RoHS standards.

Feature Summary

• Snap-on installation mechanism for rapid deployment on round cables without disconnection
• Nickel-zinc material formulation optimized for high-frequency noise suppression
• Single-opening geometry facilitating easy clamping around existing wiring harnesses

Applications

• Electromagnetic interference suppression in consumer electronics
• Noise filtering on internal cable assemblies within electronic devices
• Common mode choke applications for signal integrity enhancement

Procurement Notes

Verify the exact part number suffix against official KEMET documentation to confirm material specifications and impedance characteristics. Ensure the selected variant matches the required operating temperature range and physical dimensions for the intended cable assembly. Cross-reference datasheet parameters to validate compliance with specific regulatory standards such as RoHS before finalizing procurement.

Selection Notes

Select this component based on the target cable diameter fitting within the 7 mm aperture. Evaluate the required impedance profile at specific frequencies, noting the 350 Ω value at 100 MHz. Confirm that the Ni-Zn material properties align with the frequency spectrum of the noise to be suppressed. Verify thermal limits against the operational environment constraints.

Part Context

This component is part of the KEMET ESD-SR Snap-on Cores family, which specializes in ferrite cores for electromagnetic interference mitigation. The series offers various sizes and materials to accommodate different cable diameters and frequency requirements. These cores are engineered for straightforward integration into electronic assemblies to enhance electromagnetic compatibility.

Replacement Considerations

The ESD-SR-150 is a closely related variant within the same series. Verify dimensional compatibility and impedance curves when considering substitution. Ensure the replacement maintains the required aperture size and thermal performance for the specific application.