SFJEC1K00473MX0

Overview

The Knowles Syfer SFJEC1K00473MX0 is an axial feedthrough capacitor designed for electromagnetic interference (EMI) suppression. It features a capacitance of 0.047 µF with a voltage rating of 1000 VDC and a maximum DC current handling capacity of 15 A. The component utilizes X7R dielectric material, ensuring stable performance across a temperature range of -55°C to +125°C. Constructed with a bushing termination style, this device provides robust filtering capabilities for high-voltage applications requiring reliable EMI attenuation.

Feature Summary

• Provides effective electromagnetic interference suppression through feedthrough architecture
• Supports high voltage operation up to 1000 VDC with significant current handling
• Utilizes X7R ceramic dielectric for consistent electrical characteristics over temperature

Applications

• High-voltage power supply input filtering
• Industrial control system EMI protection
• Medical equipment power line conditioning

Procurement Notes

Verify the specific datasheet version for precise mechanical dimensions and mounting requirements before integration. Confirm that the 15 A current rating aligns with your circuit's operational limits. Ensure the bushing termination style matches your panel or chassis design constraints. Check for any specific environmental certifications required for your target market compliance.

Selection Notes

Select this component when high voltage isolation and strong EMI filtering are required in a single package. The axial bushing form factor simplifies panel mounting compared to surface mount alternatives. Consider the thermal environment, as the X7R dielectric operates effectively within the specified wide temperature range. Evaluate space constraints against the physical size of the bushing connector.

Part Context

This part belongs to the Knowles Syfer feedthrough capacitor family, which specializes in high-reliability EMI filtering solutions. These components are engineered for demanding environments where standard capacitors may fail due to voltage stress or noise susceptibility. The series offers various capacitance and voltage ratings to suit different power electronics needs.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided documentation. Verify compatibility with existing designs by matching voltage, capacitance, and mechanical interface specifications if considering alternative manufacturers.