SFJNL2K00103MX1

Overview

The Knowles Syfer SFJNL2K00103MX1 is an EMI feedthrough filter designed for high-voltage applications. It features a capacitance of 10 nF with a tolerance of ±20% and operates at a DC voltage rating of 2 kV. The component utilizes X7R dielectric material, ensuring stability across a temperature range from -55°C to +125°C. Constructed as an L-C filter, it provides effective electromagnetic interference suppression. The unit employs solder termination for secure mounting and has a compact length of 9.2 mm. This part belongs to the SFJN series, offering reliable performance in demanding electronic environments.

Feature Summary

• Provides EMI filtering through integrated L-C circuit topology
• Supports high DC voltage operation up to 2 kV
• Utilizes X7R ceramic dielectric for thermal stability
• Features solder termination for robust mechanical connection

Applications

• High-voltage power supply input filtering
• Electromagnetic interference suppression in industrial electronics
• Signal conditioning in sensitive measurement equipment

Procurement Notes

Verify the specific package dimensions and termination style against your PCB layout requirements before ordering. Confirm that the 2 kV DC rating aligns with your system's maximum operating voltage under all conditions. Ensure compatibility with your assembly process for solder terminations. Check for any recent product change notifications or end-of-life notices from the manufacturer to guarantee long-term availability and consistency.

Selection Notes

Select this component when high-voltage isolation and EMI attenuation are required in a compact form factor. The X7R dielectric offers a balance of capacitance density and temperature stability suitable for general-purpose industrial applications. Consider the physical length of 9.2 mm for spatial constraints. Compare against other SFJN series variants if different capacitance values or voltage ratings are needed for your specific circuit design.

Part Context

This component is part of the Knowles Syfer SFJN series of EMI feedthrough filters. These filters are engineered for high-reliability applications requiring effective noise suppression in high-voltage circuits. The series typically includes various capacitance and voltage options to suit diverse electronic design needs. Knowles Syfer specializes in advanced ceramic components for harsh environments.

Replacement Considerations

Consult official distributor databases for direct cross-reference part numbers. Verify that any substitute matches the 2 kV rating, 10 nF capacitance, and L-C filter topology. Ensure physical dimensions and termination types are compatible with existing board layouts.