1806Y0500333MXTE01

Overview

The Knowles Syfer 1806Y0500333MXTE01 is a three-terminal EMI filter capacitor in the 1806 (4516 metric) surface-mount package. It features a 33 nF capacitance with ±20% tolerance and a 50 VDC rating, utilizing an X7R dielectric. The component incorporates FlexiCap technology for enhanced mechanical reliability under board flexing and thermal cycling. Rated current is 300 mA, operating within a temperature range of -55°C to +125°C.

Feature Summary

• Three-terminal architecture provides effective electromagnetic interference filtering
• FlexiCap termination material accommodates significant board bending without cracking
• Nickel barrier construction ensures robust solderability and environmental resistance

Applications

• High-density electronic assemblies requiring superior EMI suppression
• Applications subject to mechanical stress or board flexing
• Thermal cycling environments demanding high mechanical reliability

Procurement Notes

Verify the specific suffix configuration against official manufacturer documentation to ensure compatibility with required termination materials and voltage ratings. Confirm that the X7R dielectric characteristics align with the intended operational temperature stability requirements for the target application environment.

Selection Notes

Select this component when three-terminal filtering is necessary within a compact 1806 footprint. The FlexiCap feature is critical for designs involving flexible substrates or high vibration. Ensure the 50V DC rating and 300mA current handling meet the circuit's electrical demands while maintaining the specified temperature performance.

Part Context

This part belongs to the Knowles Syfer FlexiCap series, designed for improved mechanical resilience compared to standard MLCCs. It integrates EMI filtering capabilities directly into the capacitor structure, offering a compact solution for noise reduction in sensitive electronic circuits without requiring additional discrete filter components.

Replacement Considerations

Direct substitutes must match the 1806 package, 33 nF capacitance, 50V rating, and three-terminal EMI filter topology. Verify equivalent FlexiCap or flexible termination availability if mechanical stress is a design constraint.