1812J0500103MJTE03

Overview

The Knowles Syfer 1812J0500103MJTE03 is a three-terminal feed-through capacitor designed for surface-mount technology. It features a capacitance of 10 nF with a voltage rating of 50 VDC and a tolerance of ±20%. The component utilizes an X7R dielectric material, ensuring stability across a temperature range of -55°C to +125°C. Housed in an 1812 (4532 metric) package, it incorporates a nickel barrier structure with 100% tin terminations. This configuration supports high-frequency noise suppression in compact electronic designs.

Feature Summary

• Three-terminal architecture providing enhanced electromagnetic interference filtering capabilities
• X7R dielectric composition offering stable capacitance performance over wide temperature variations
• Nickel barrier construction with 100% tin terminations for reliable soldering and corrosion resistance

Applications

• High-frequency noise suppression in sensitive signal lines
• Power supply decoupling for integrated circuits
• Electromagnetic interference filtering in communication equipment

Procurement Notes

Verify the specific suffix codes against official manufacturer documentation to confirm terminal plating and dielectric specifications. Ensure compatibility with automated pick-and-place equipment regarding the 1812 footprint dimensions. Confirm RoHS compliance status through current datasheets before integration into regulated assemblies.

Selection Notes

Select this component when space-constrained designs require superior high-frequency attenuation compared to standard two-terminal capacitors. The three-terminal layout facilitates lower parasitic inductance, making it suitable for applications demanding rapid transient response. Evaluate thermal management requirements to ensure operation remains within the specified -55°C to +125°C range during peak loads.

Part Context

This part belongs to the Knowles Syfer family of surface-mount ceramic capacitors. It represents a specialized category of EMI filters that integrate shielding properties directly into the component body. The design prioritizes miniaturization without compromising filtering efficiency, addressing modern electronics' need for compact, high-performance passive components.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Verify pinout compatibility and electrical ratings if considering alternative manufacturers.