SFCDC5000333MX0

Overview

The Knowles Syfer SFCDC5000333MX0 is an axial feed-through capacitor designed for EMI filtering. It features a capacitance of 0.033 µF (33 nF) with a DC voltage rating of 500 V and a tolerance of ±20%. The component utilizes X7R dielectric material and supports a maximum DC current of 10 A. It operates within a temperature range of -55°C to +125°C. The physical dimensions are 6.35 mm in diameter by 11.85 mm in length, featuring a 12-32 thread size for mounting.

Feature Summary

• Provides effective electromagnetic interference suppression through feed-through architecture
• Features robust mechanical construction with threaded bushing for secure panel mounting
• Utilizes X7R ceramic dielectric for stable performance across wide temperature ranges

Applications

• High-reliability aerospace electronic systems
• Military communication equipment power inputs
• Industrial control panels requiring EMI filtration

Procurement Notes

Verify the specific thread size and sealing requirements against the application panel specifications. Confirm that the 500V DC rating and 10A current capacity meet the circuit design constraints. Ensure compatibility with the required soldering or termination methods for the axial leads. Check for RoHS3 compliance if environmental regulations apply to the final assembly.

Selection Notes

Select this component when high current handling and superior EMI attenuation are required in space-constrained environments. The axial feed-through design eliminates the need for additional grounding paths compared to standard capacitors. Consider the thermal stability of the X7R dielectric for applications experiencing significant temperature fluctuations during operation.

Part Context

This part belongs to the SFCDC series of feed-through capacitors from Knowles Syfer. These components are engineered for harsh environment applications where reliability and compact size are critical. The series offers various capacitance values and voltage ratings to suit different filtering needs in sensitive electronic circuits.

Replacement Considerations

Direct substitutes must match the 0.033 µF capacitance, 500 V rating, 12-32 thread size, and 10 A current capability. Verify dimensional compatibility for panel cutouts and overall length. Ensure the replacement component maintains equivalent EMI performance characteristics and operating temperature limits.