1206Y1000393MXTE07

Overview

The Knowles Syfer 1206Y1000393MXTE07 is a three-terminal EMI filter capacitor in a 1206 (3216 metric) surface-mount package. It features a 0.039 µF capacitance with ±20% tolerance and an X7R dielectric. The component has a DC voltage rating of 100V and utilizes a nickel barrier with 100% tin termination system. Designed for high-frequency noise suppression, it operates within a temperature range of -55°C to +125°C.

Feature Summary

• Three-terminal architecture provides enhanced electromagnetic interference filtering performance compared to standard two-terminal capacitors.
• Nickel barrier termination system ensures reliable solderability and mechanical stability during surface mount assembly processes.
• X7R ceramic dielectric offers stable capacitance characteristics across the specified industrial operating temperature range.

Applications

• High-speed digital signal line filtering in communication equipment
• Power supply input/output decoupling in sensitive electronic circuits
• EMI suppression in automotive electronics meeting AEC-Q200 standards

Procurement Notes

Verify the specific suffix MXTE07 against official Knowles Syfer documentation to confirm the exact termination material and packaging configuration. Ensure compatibility with existing PCB footprint designs requiring three-terminal EMI filter components. Confirm RoHS compliance status through current manufacturer declarations before integration into regulated products.

Selection Notes

Select this component when superior high-frequency attenuation is required over standard MLCCs. The three-terminal design effectively shunts common-mode noise to ground. Verify that the 100V rating and 0.039µF value align with circuit requirements. Consider the 1206 package size constraints relative to available board space and thermal management needs.

Part Context

This part belongs to the Knowles Syfer FlexiCap™ series of feed-through capacitors. These components are engineered for robust performance in demanding environments. The series emphasizes reliability and consistent electrical characteristics for critical filtering applications in industrial and automotive sectors.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Consult official Knowles Syfer catalogs for direct equivalents or functional alternatives with matching three-terminal specifications and electrical ratings.

FAQ

What is the terminal configuration of the 1206Y1000393MXTE07?

It is a three-terminal device designed as an EMI filter capacitor, providing improved high-frequency noise suppression compared to two-terminal variants.

What dielectric material is used in this component?

The component uses an X7R ceramic dielectric, which provides stable capacitance performance over a wide temperature range from -55°C to +125°C.