SFJNL3K00221MC1

Overview

The Knowles Syfer SFJNL3K00221MC1 is a threaded panel mount EMI feedthrough filter designed for high-voltage applications. It features a capacitance of 220 pF with a tolerance of ±20%, utilizing C0G (NP0) dielectric material for stability. The component supports a maximum voltage rating of 3 kV and operates within a temperature range up to +125°C. Constructed with an M6 thread size, this LC filter provides robust electromagnetic interference suppression in demanding electronic environments.

Feature Summary

• Threaded panel mount design for secure installation
• High voltage capability rated at 3 kV
• C0G (NP0) dielectric ensures stable capacitance
• LC filter circuit topology for EMI suppression

Applications

• High voltage power supply filtering
• Industrial control system EMI protection
• Medical equipment signal integrity maintenance
• Aerospace electronic interface filtering

Procurement Notes

Verify the specific ordering suffix and package configuration against official manufacturer documentation before procurement. Ensure that the M6 thread specification matches the mounting hardware requirements of the target application. Confirm compliance with relevant safety standards for high-voltage components. Cross-reference the part number with authorized distributor lists to guarantee authenticity and traceability of the source component.

Selection Notes

Select this component when a threaded panel mount solution is required for high-voltage EMI filtering. The 220 pF capacitance value suits applications needing precise noise attenuation without significant signal loading. Consider the 3 kV rating for insulation requirements. Evaluate the thermal performance at +125°C to ensure reliability under continuous operation. Compare physical dimensions against available panel space constraints.

Part Context

This component belongs to the SFJN series of EMI feedthrough filters from Knowles Syfer. The series is characterized by high reliability and compact form factors suitable for panel mounting. These filters are engineered to meet stringent electromagnetic compatibility requirements in critical infrastructure and industrial sectors, providing effective noise reduction while maintaining structural integrity under electrical stress.

Replacement Considerations

Public confirmed substitute part numbers are not available in the provided data.