1812J0250105MXTE07

Overview

The Knowles Syfer 1812J0250105MXTE07 is a surface-mount multilayer ceramic EMI filter capacitor. It features a 3-terminal design within an 1812 (4532 metric) package, providing high capacitance of 1.0 µF with ±20% tolerance. Rated for 25 VDC, it utilizes X7R dielectric material to ensure stability across a temperature range of -55°C to +125°C. The component incorporates a nickel barrier termination system and is supplied in tape-and-reel packaging for automated assembly processes.

Feature Summary

• Three-terminal architecture designed for effective electromagnetic interference suppression
• Nickel barrier termination structure ensuring reliable solderability and connection integrity
• X7R dielectric composition maintaining stable electrical characteristics across wide thermal variations

Applications

• Power supply input filtering for noise attenuation
• General-purpose EMI suppression in electronic circuits
• Signal line protection against high-frequency interference

Procurement Notes

Verify the specific suffix codes against official manufacturer documentation to confirm exact termination materials and safety certifications. Ensure that the selected variant matches the required voltage rating and capacitance tolerance for the target application environment. Cross-reference datasheet specifications regarding moisture sensitivity levels and recommended reflow profiles prior to procurement.

Selection Notes

Select this component when high capacitance density is required in a standard 1812 footprint for EMI mitigation. The three-terminal configuration offers superior high-frequency performance compared to standard two-terminal capacitors. Consider the X7R temperature coefficient for applications experiencing moderate thermal fluctuations where stable capacitance is critical for circuit operation.

Part Context

This part belongs to the Knowles Syfer 1812J series of high-reliability multilayer ceramic capacitors. The series is engineered for demanding environments, offering robust construction and consistent performance. As a specialized EMI filter, it addresses noise control challenges in compact electronic designs without compromising space efficiency or signal integrity.

Replacement Considerations

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