1812Y2000473MSTE03

Overview

The Knowles Syfer 1812Y2000473MSTE03 is a multilayer ceramic capacitor (MLCC) designed for surface mount technology. It features an X7R dielectric material and offers a capacitance of 47 nF with a tolerance of ±20%. The component is rated for a DC voltage of 200 V and operates within a temperature range of -55°C to +125°C. Housed in an 1812 (4532 metric) package, it utilizes FlexiCap/Nickel Barrier terminations and holds AEC-Q200 qualification as an X2Y capacitor.

Feature Summary

• X2Y architecture providing integrated common-mode noise suppression
• FlexiCap termination structure for enhanced mechanical reliability
• AEC-Q200 qualified for automotive electronics applications

Applications

• Automotive electronic circuit protection
• Common-mode noise filtering in vehicle systems
• High-reliability automotive power supply circuits

Procurement Notes

Verify the specific suffix configuration against official manufacturer documentation to ensure correct termination and qualification specifications. Confirm RoHS compliance status through current datasheets. Check availability constraints as distribution may vary by region. Ensure compatibility with automated placement equipment regarding the 1812 footprint dimensions.

Selection Notes

Select this component when integrated EMI filtering and high mechanical robustness are required in space-constrained designs. The X2Y topology reduces board space compared to discrete components. Verify that the 200V rating and 47nF capacitance align with circuit requirements. Consider the FlexiCap feature for applications subject to thermal cycling or mechanical stress.

Part Context

This part belongs to the Knowles Syfer 1812Y series, which specializes in X2Y capacitors combining capacitance and electrostatic shielding. The series targets automotive and industrial markets requiring high reliability. The 1812 case size allows for higher capacitance values while maintaining a compact profile suitable for dense PCB layouts.

Replacement Considerations

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