1206Y0500393MJTE07

Overview

The Knowles Syfer 1206Y0500393MJTE07 is a surface-mount multilayer ceramic capacitor (MLCC) designed as a three-terminal EMI filter. It features a capacitance of 0.039 µF with a tolerance of ±20% and an X7R dielectric material. The component has a DC voltage rating of 50 VDC and operates within a temperature range of -55°C to +125°C. It utilizes a FlexiCap/Nickel Barrier termination system with 100% tin plating for enhanced reliability. The physical dimensions conform to the standard 1206 (3216 metric) package size.

Feature Summary

• Three-terminal architecture providing effective electromagnetic interference filtering
• FlexiCap termination technology combined with nickel barrier layers for improved mechanical durability
• X7R dielectric composition ensuring stable capacitance performance across wide temperature variations

Applications

• Electromagnetic interference suppression in sensitive electronic circuits
• Power supply input and output filtering stages
• Signal line noise reduction in communication equipment

Procurement Notes

Verify the complete part number including the suffix MJTE07 to ensure correct termination and packaging specifications. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Cross-reference datasheet revision dates to ensure alignment with current manufacturing standards and environmental regulations.

Selection Notes

Select this component when board flex sensitivity requires flexible terminations alongside EMI filtering capabilities. The three-terminal design offers superior high-frequency attenuation compared to standard two-terminal capacitors. Ensure the 50V rating meets circuit requirements while considering the thermal stability provided by the X7R material class.

Part Context

This component belongs to the Knowles Syfer FlexiCap series, which specializes in robust MLCCs for demanding environments. The 1206Y prefix indicates a general-purpose X7R capacitor family adapted for specific termination styles. The MJTE07 suffix denotes the specific terminal configuration and reel packaging format used for automated assembly processes.

Replacement Considerations

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