1812J0500473MJTE03

Overview

The Knowles Syfer 1812J0500473MJTE03 is a surface-mount multilayer ceramic capacitor (MLCC) designed for high-frequency applications. It features a 47 nF capacitance with a ±20% tolerance and a 50 VDC voltage rating. The component utilizes X7R dielectric material, providing stable performance across a temperature range of -55°C to +125°C. Housed in an 1812 (4532 metric) package, it incorporates a three-terminal architecture with nickel barrier and tin terminations to function as an EMI filter.

Feature Summary

• Three-terminal EMI filter architecture for enhanced noise suppression
• X7R dielectric material for stable capacitance characteristics
• Nickel barrier and tin termination structure for reliable soldering

Applications

• High-frequency signal line filtering
• Power supply input/output decoupling
• EMI suppression in sensitive electronic circuits

Procurement Notes

Verify the complete part number including suffixes against official manufacturer documentation to ensure correct dielectric type and termination specifications. Confirm RoHS compliance status and moisture sensitivity level requirements prior to procurement. Cross-reference datasheet revisions to validate current manufacturing parameters and availability constraints.

Selection Notes

Select this component when integrated EMI filtering is required within a compact SMD footprint. The three-terminal design offers superior high-frequency attenuation compared to standard two-terminal capacitors. Ensure the circuit operates within the specified voltage and temperature limits to maintain capacitance stability and prevent premature failure.

Part Context

This component belongs to the Knowles Syfer MLCC series, specifically engineered for surface-mount technology. The 1812J prefix indicates the case size and voltage class, while the internal coding defines the capacitance value. It is categorized under ceramic capacitors suitable for general-purpose and specialized filtering applications in modern electronics.

Replacement Considerations

Publicly confirmed substitute part numbers are not available in the provided source data. Verify compatibility with alternative components by matching capacitance, voltage rating, package dimensions, and terminal configuration.