SFJEL3K00221MC0

Overview

The Knowles Syfer SFJEL3K00221MC0 is a feedthrough capacitor with a capacitance of 220 pF and a DC voltage rating of 3000 V. It features a tolerance of ±20% and an axial bushing package. The component has a current rating of 15 A and uses a C0G dielectric. It operates within a temperature range of -55°C to +125°C. The insulation resistance is specified at 10 GOhms. The unit utilizes a solder termination type and includes a flange end seal design for EMI filtering applications.

Feature Summary

• Provides high-voltage EMI filtering through a feedthrough capacitor architecture
• Features a robust axial bushing mounting style for panel integration
• Utilizes C0G dielectric material for stable electrical performance

Applications

• High-voltage power supply input filtering
• Industrial equipment EMI suppression
• Medical device power line protection

Procurement Notes

Verify the specific suffix code against the manufacturer datasheet to confirm exact mechanical dimensions and sealing characteristics. Ensure the selected variant matches the required thread size and current rating for the intended circuit application before finalizing procurement orders.

Selection Notes

Select this component when a high-voltage, single-element feedthrough filter is required for panel-mounted installations. Consider the 15 A current rating and 3000 VDC breakdown strength as primary constraints. Verify that the axial bushing form factor fits the available chassis aperture and mounting hardware requirements.

Part Context

This part belongs to the SFJE series of EMI feedthrough filters manufactured by Knowles Syfer. The series is designed for high-reliability applications requiring effective noise suppression in high-voltage environments. The SFJEL3K00221MC0 represents a specific configuration within this family characterized by its 220 pF capacitance value.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Consult the manufacturer for direct equivalents or cross-reference data sheets for compatible axial bushing feedthrough capacitors with matching voltage and capacitance ratings.