SFJEL2K00472MX1

Overview

The Knowles Syfer SFJEL2K00472MX1 is a high-voltage EMI feedthrough capacitor designed for robust electromagnetic interference suppression. It features an X7R dielectric material providing stable capacitance across a wide temperature range. The component offers a rated DC voltage of 2 kV and a nominal capacitance of 4700 pF with a tolerance of ±20%. It supports a maximum DC current of 15 A and operates within a temperature range of -55°C to +125°C. The physical dimensions are 9.80 mm in diameter by 9.40 mm in length, utilizing an axial bushing package configuration.

Feature Summary

• Provides effective EMI filtering through integrated LC filter circuit topology
• Engineered for high-voltage applications with 2 kVDC rating
• Utilizes X7R ceramic dielectric for thermal stability
• Features axial bushing mounting for secure panel integration

Applications

• Electromagnetic interference suppression in high-voltage power systems
• Panel-mounted filtering for industrial electronic equipment
• Signal conditioning in aerospace or defense avionics requiring high reliability

Procurement Notes

Verify the specific suffix designation against official manufacturer documentation to confirm exact mechanical and electrical specifications. Confirm RoHS3 compliance status directly from the latest datasheet. Ensure the procurement channel provides authentic components with traceable manufacturing records to guarantee performance integrity in critical high-voltage applications.

Selection Notes

Select this component when high-voltage isolation and EMI attenuation are required in a compact axial form factor. Consider the 15 A current rating and 2 kV breakdown voltage for suitability in demanding power environments. Evaluate the bushing mounting style against available panel space and installation constraints compared to surface mount alternatives.

Part Context

This component belongs to the SFJE series of EMI feedthrough filters manufactured by Knowles Syfer. These devices are engineered for high-reliability applications where standard capacitors may fail under extreme electrical stress. The series emphasizes robust construction suitable for harsh operating conditions.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Verify compatibility with existing designs by matching voltage ratings, capacitance values, and mounting configurations before considering alternative components.