SFJEL1K00333MX1

Overview

The Knowles Syfer SFJEL1K00333MX1 is a feedthrough capacitor with a capacitance of 0.033 µF and a voltage rating of 1000V (1kV). It features an axial bushing package, measuring 9.80mm in diameter by 9.40mm in length. The component utilizes silver terminal finish and operates within a temperature range of -55°C to +125°C. Designed for high-reliability applications, it provides effective electromagnetic interference suppression in demanding environments.

Feature Summary

• Provides robust electromagnetic interference filtering through feedthrough architecture
• Engineered for high-voltage operation up to 1000V DC
• Constructed with durable silver-plated terminals for reliable connectivity
• Designed for high-temperature stability across extended industrial ranges

Applications

• Pulse power systems requiring precise energy discharge
• Medical imaging equipment demanding low magnetic interference
• Aerospace and defense electronic assemblies
• Industrial control systems in harsh environments

Procurement Notes

Verify the specific suffix MX1 against official datasheets to confirm axial bushing configuration and silver termination. Ensure compatibility with panel mounting requirements due to the flange design. Confirm RoHS compliance status for current production batches. Cross-reference lead times as availability may vary significantly between distributors.

Selection Notes

Select this component when high-frequency noise suppression is critical in high-voltage circuits. The axial bushing form factor simplifies panel integration compared to surface-mount alternatives. Consider thermal management capabilities given the operating temperature limits. Validate impedance characteristics against system-specific filtering requirements.

Part Context

This part belongs to the SFJE series of EMI feedthrough filters manufactured by Knowles Syfer. The series is characterized by high reliability and performance in complex applications. It complements other high-performance pulse power capacitors offered by the manufacturer for aerospace and medical sectors.

Replacement Considerations

Direct substitutes are not explicitly confirmed in public documentation. Verify pinout and dimensional compatibility before considering alternative feedthrough capacitors from other manufacturers.