1806Y0250473MJTE07

Overview

The Knowles Syfer 1806Y0250473MJTE07 is a Surface Mount Device (SMD) Multilayer Ceramic Capacitor (MLCC) designed for EMI filtering applications. It features a 1806 (4516 metric) package size with dimensions of 4.50mm length, 1.60mm width, and a maximum height of 1.30mm. The component offers a capacitance of 47nF (473 code) with a tolerance of ±20% (M). It utilizes an X7R dielectric material and has a rated DC voltage of 25V. The device incorporates FlexiCap technology with a nickel barrier for enhanced reliability.

Feature Summary

• Incorporates FlexiCap technology with a nickel barrier to improve mechanical robustness against board flexing.
• Functions as a three-terminal EMI filter capacitor for effective noise suppression in high-frequency circuits.
• Utilizes X7R dielectric material to maintain stable capacitance characteristics across a wide temperature range.

Applications

• High-frequency signal line filtering in electronic assemblies
• Power supply input/output decoupling for noise reduction
• EMI suppression in sensitive analog and digital circuitry

Procurement Notes

Verify the specific ordering suffix to ensure the correct termination and packaging configuration matches your assembly requirements. Confirm that the X7R dielectric and 25V rating are suitable for your operating environment. Check for RoHS compliance status if required by your manufacturing standards. Ensure the 1806 footprint aligns with your PCB design guidelines.

Selection Notes

Select this component when a compact SMD EMI filter is required for 25V circuits. The 1806 package provides a balance between capacitance value and physical space constraints. Consider the FlexiCap feature if the application involves mechanical stress or board flexing. Verify that the ±20% tolerance meets the circuit's stability requirements.

Part Context

This part belongs to the Knowles Syfer MLCC family, specifically engineered for surface mount applications. It is categorized under ceramic capacitors and EMI filters. The product line emphasizes reliability and performance in demanding electronic environments, utilizing advanced materials and construction techniques to ensure long-term stability.

Replacement Considerations

Direct substitutes must match the 1806 package, 25V rating, 47nF capacitance, X7R dielectric, and three-terminal EMI filter structure. Verify compatibility of termination materials and FlexiCap specifications. Cross-reference with other manufacturers' EMI filter MLCCs offering similar dimensional and electrical profiles.